Order angles from smallest to largest then the sides from smallest to largest in the triangle
SSS _,_,_
AAA _,_,_

The results based on the information provided in the question will be as follows:

a) By using the analysis of variance (ANOVA) table,

MSE= 440.1/10 = 44.01

F = 2717.9/44.01 =61.756

b) To interpret the slope of regression model,

the slope represents that for each $1000 increase in the income of a family on an average sale price increase by 2184.3

c) To calculate the value of coefficient of determination and its interpretation,

0.712 and the lowest that coefficient of determination is 0 and highest is 1. Thus, here the coefficient is high.

d) By using regression equation,

Price = 11.8+2.18×income

Predicted value = (-11.8+2.18×20)×1000 = 31800

e) To compute, 95% confidence slope

= 2.1843/2.228×0.278 = 1.565;2.804

f) The linear relationship between income and price,

All the intervals above have a value of more than 0 therefore we can conclude that the slope is significant. Thus, we have sufficient evidence that at 0.05 level of significance the linear relationship between income and price is inter related.

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Note that the full question is:

The National Association of Home Builders ranks the most and least affordable housing markets based on the proportion of homes that a family earning the median income in that market could afford to buy. Data containing the median income $1000s) and the median sale price($1000s) for a sample of 12 honsing markets appearing on the list of most affordable markets were subjected to a simple linear regression analysis. The following results were obtained. The regression equation is price-11.8 +2.18 income Predictor Coef StDev Constant11.80 12.84 income 2.1843 0.2780 S 6.634 Analysis of Variance Source Regression 1 2717.9 2717 DF SS MS F P Residuni Eror 10 440. Total 1 3158.0 a. Using the snalysis of variance table, find MSE b. Interpret the slope of the regression model. the valus ul and interpret it d. Using the estimated regression equation, the value ofy ifx-$20,000 e. Compute 95% confidence al for the slope 43-1+2.2280T g. At the 0.05 level of significunce, is there evidence of a linear relationship between income and price

The correct option regarding the number of x-intercepts of each function is given as follows:

Both functions have the same number of x-intercepts.

The x-intercept of a function is given by the value of x when f(x) = 0, that is, the value of x when the function crosses the x-axis.

From the Table, for function A, these values are given as follows:

x = 1 and x = 3.

For Function B, the intercepts are given as follows:

|x| - 2 = 0

|x| = 2

x = -2 or x = 2.

The intercepts are different, but both functions have the same number of x-intercepts.

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Answer:

Both functions have the same number of x-intercepts.

Step-by-step explanation: Did the test, got it correct.

[tex]\textit{Pythagorean Identities} \\\\ \sin^2(\theta)+\cos^2(\theta)=1\implies \sin^2(\theta)=1-\cos^2(\theta)\\\\\\ 1+\cot^2(\theta)=\csc^2(\theta) \\\\[-0.35em] ~\dotfill\\\\ \boxed{1+cot^2(x)}-cos^2(x)-cos^2(x)cot^2(x) \\\\\\ \boxed{csc^2(x)}-cos^2(x)-cos^2(x)cot^2(x)\implies csc^2(x)-cos^2(x)[1+cot^2(x)] \\\\\\ csc^2(x)-cos^2(x)[csc^2(x)]\implies csc^2(x)[1-cos^2(x)]\implies csc^2(x)sin^2(x) \\\\\\ \cfrac{1}{sin^2(x)}\cdot sin^2(x)\implies \text{\LARGE 1}[/tex]

If the two stations have the same bit rate, they will both have to be on air for the same amount of time to broadcast 4 minutes of news, regardless of the specific bit rate

What is time in maths ?

In mathematics, time is often thought of as a dimension, similar to length, width, and height. However, time is unique in that it only moves in one direction, from the past to the future. Time can be measured in various units such as seconds, minutes, hours, days, weeks, months, and years.

The length of time a station will have to be on air to broadcast 4 minutes of news depends on the bit rate of the broadcast.

The bit rate is the amount of data transmitted per second in a digital signal. The higher the bit rate, the more data can be transmitted per second, resulting in higher audio or video quality but also a larger file size.

Assuming the two stations have different bit rates, the station with the lower bit rate will have to be on air longer to broadcast the same 4 minutes of news than the station with the higher bit rate. This is because the station with the lower bit rate can transmit less data per second, so it will take longer to transmit the same amount of information.

For example, if Station A has a bit rate of 128 kbps (kilobits per second) and Station B has a bit rate of 256 kbps, Station A will have to be on air for twice as long as Station B to transmit the same 4 minutes of news, as it can transmit only half as much data per second as Station B.

Hence, If the two stations have the same bit rate, they will both have to be on air for the same amount of time to broadcast 4 minutes of news, regardless of the specific bit rate

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Answer:

b

Step-by-step explanation:to get the answer you multiply by 4 1x4 =4 3 x 4=12

Answer:

Step-by-step explanation:

since y = -8x + 6

if x=-10, y=-8x10+6=-74, so A is not the solution

if x =-8, y=-8x(-8)+6=70, so B is not the solution

if x =5, y=-8x5+6=-34, so C is the solution

if x =3, y=-8x3+6=-18, so D is not the solution

(a) The distribution of T is Geometric Distribution and parameter is p which ranges from 0 to 1.

(b) p(x - a) - p[tex](1-p)^{a-1}[/tex] where, x is probability that the xth trial is the first success [tex]$\hat{A} \hat{A} P[/tex] is the probability of success.

(c) Expected pay-off retains are negative, so this is an unfair game.

The probabilities of winning $1 million are [tex]$P_1$[/tex] and [tex]$P_2$[/tex] respectively.

(a) Let 'T ' be the number of times you play until winning at least one prize.

T follows Geometric Distribution, it has only parameter P which is the probability of success which ranges between 0 and 1.

(b) Its probability density function is.

p(x - a) - p[tex](1-p)^{a-1}[/tex]

where, x is probability that the xth trial is the first success [tex]$\hat{A} \hat{A} P[/tex] is the probability of success.

Expected payoff: pw - (1 - p) x dollar

Where:-

p is the probability of success

[tex]$\omega$[/tex] is the lottery winning amount

[tex]$\alpha$[/tex] is the lottery buying cost

(c) [tex]$P=\frac{1}{292,201,338} & =0.0000000034 \\[/tex]

Expected payoff = [tex]p \times 1,000,000-(1-p) 10 \\[/tex]

= 0.0034 - 9.999999966 \\

= -9.99659966

Expected pay-off retains are negative, so this is an unfair game.

[tex]$p=\frac{1}{3,02,575,350} & =0.0000000033 \\[/tex]

Expected pay-off  [tex]& =p \times 10000000-(1-p) 10 \\[/tex]

= 0.0033 - 9.999999967

= -9.996699967

Winning probability [tex]( $P_s$ )[/tex] are so low that expected returns are negative.

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The set of all points on the real line whose distance from zero is less than 8 can be described by the absolute value inequality:

|x| < 8

where |x| denotes the absolute value of x. This inequality can be read as "the distance between x and 0 is less than 8".

Geometrically, this inequality describes the open interval (-8, 8) on the real number line, which includes all real numbers that are between -8 and 8 but not including -8 and 8 themselves. In other words, the set of all points on the real line that are within 8 units of the origin, excluding the origin itself.

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As a result, V is a vector space over the real number field.

As per the question given,

Yes, V is a vector space over the field of real numbers with the given operations.

To show this, we need to verify that the following vector space axioms are satisfied for any vectors u, v, and w in V and any scalars a and b in F:

All of these axioms are easily verified using the given operations. Therefore, V is a vector space over the field of real numbers.

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Step 1 of 7: The class width of the data given s 50.

Step 2 of 7: The frequency in 3rd class is 5

Step 3 of 7: Lower class boundary for the second class is 1228.5.

Step 4 of 7: Upper class boundary for the 3rd class is 1328.5

Step 5 of 7: The midpoint of the first class is 1203.5

Step 6 of 7: The relative frequency of the second class is 0.0476

Step 7 of 7: The cumulative frequency of the 5th class is 15.

As per the data given:

the following data representing the price of plasma televisions (in dollars).

1467, 1281, 1342, 1429, 1313, 1357, 1448, 1385, 1304, 1291, 1406, 1410, 1307, 1422, 1264, 1454, 1191, 1191, 1372, 1461, 1447.

                                Class                        Relative      Cumulative
  Class     Frequency   Boundaries      Midpoint      Frequency  Frequency

1179−1228          2       1178.5 - 1228.5        1203.5   0.0952        2

1229−1278     1       1228.5 - 1278.5       1253.5   0.0476        3

1279−1328     5       1278.5 - 1328.5        1303.5   0.2381        8

1329−1378     3       1328.5 - 1378.5        1353.5   0.1429        11

1379−1428     4       1378.5 - 1428.5        1403.5   0.1905        15

1429−1478     6       1428.5 - 1478.5         1453.5   0.2857        21

Step 1 of 7: Determine the class width of the data given.

The class width is the difference between the upper or lower class limits of consecutive classes. All classes should have the same class width. In this case, class width equals to the difference between the lower limits of the first two classes.

w = 1229 - 1179 = 50

Step 2 of 7: Determine frequency in 3rd class

The 3rd class is 1279−1328 and the frequency in 3rd class is 5

Step 3 of 7: Determine the lower class boundary for the second class

The 2nd class is 1229−1278 and the class boundary is 1228.5 - 1278.5

Lower class boundary for the second class is 1228.5.

Step 4 of 7: Determine the upper class boundary for the 3rd class

The 3rd class is 1279−1328 and the class boundary is 1278.5 - 1328.5

Upper class boundary for the 3rd class is 1328.5

Step 5 of 7: Identify the midpoint of the first class

The 1st  class is 1179−1228 and the midpoint of the first class is 1203.5

Step 6 of 7: Calculate the relative frequency of the second class.

The 2nd class is 1229−1278 and the relative frequency of the second class is 0.0476

Step 7 of 7: Compute the cumulative frequency of the 5th class

The 5th class is 1379−1428 and the cumulative frequency of the 5th class is 15.

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He had 48.75 oz of salsa.

In mathematics, multiplication is a method of finding the product of two or more numbers. It is one of the basic arithmetic operations, that we use in everyday life.

here, we have,

I guess that Clay is filling 6.5 oz bottles of salsa.

And we know that he was able to fill 7.5 of these bottles,

then if each bottle has 6.5 oz, 7.5 of them have a total mass of salsa will be equal to 7.5 times 6.5 ounces,

this is:

M = 7.5*6.5 oz = 48.75 oz

This means that Clay had 48.75 ounces of Salsa

A drawn model to show this is seen below.

Each big square represents 0.5 oz,

and the area black delimited area represents a total amount of 6.5 oz, we have 7 of them, then you can draw that 7 times,

and count the squares,

and then you will find the total ounces of salsa that Clay had, which is equivalent to the multiplication we did above.

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A sequence is an organized grouping of connected things or occasions. It is a logical succession or order of objects, occasions, concepts, or deeds. The fifteenth term in the mathematical series is [tex]3 + (14 × 4) = 59.[/tex]

A sequence is a group of numbers or things associated in a certain order in mathematics.

It can also be used to describe a set of instructions that must be carried out in a specific order, such as a computer program. A sequence is a group of connected incidents or scenes that make up a literary work's narrative framework.

Sn is 1450 for the mathematical series where a1=5, an=119, and n=20.

Sn is 210 for the mathematical series where a1=12, d=6, and n=15.

The 6th term in the geometric sequence where a1= 2, a6= 64, r= 2 is 16.

Sn is 62 for the geometric series with a1=2, r=4, and n=6.

Therefore, The given numbers are compared to the generic A.P. sequence in order to discover the 15th term. Then, using the $nth$ term formula, we locate the 15th term in the given A.P.

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Yes, the problem describes a valid simulation design.

We do sampling so that we don't have to work on entire population of items but only on that sample in a way that we can predict information about population.

Most of the times, it isn't possible in real world to work on entire populations. Samples come out for rescue by assumptions that they will have some properties of the population pertained in them.

Thus, the sample should be taken out such that it includes data of the population as much  as it can in unbiased way so as to imitate population. (assuming that we want the sample to contain the summary of the population).

We are given that;

A media report claims that 50% of U.S. teens with smartphones feel addicted to their devices.

A sample of 100 U.S. teens who have smartphones was taken.

Only 40 of the teens in the sample feel addicted to their devices.

The goal is to estimate the probability of getting 40 or fewer teens who feel addicted to their devices in a random sample of size 100 from a population of teens with smartphones in which 50% feel addicted to their devices.

A simulation is proposed where 1 represents feeling addicted and 2 represents not feeling addicted.

Now,

The simulation design involves randomly selecting a sample of 100 U.S. teens who have smartphones and then using a random number generator to simulate the proportion of teens who feel addicted to their devices. This is a valid simulation because it mimics the process of sampling from a large population, and the use of a random number generator ensures that the simulation is unbiased and reflects the randomness inherent in the sampling process.

By repeating this process many times and calculating the percent of trials on which the number of 1's (teens who feel addicted to their devices) was 40 or less, we can estimate the probability of getting such a result by chance. This will help us determine whether the sample of 40 teens who feel addicted to their devices is consistent with the media report's claim that 50% of U.S. teens with smartphones feel addicted to their devices.

Therefore, by sampling the answer will be yes

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Answer:20)C

Step-by-step explanation:

pythagorean theorem:

[tex]a^{2} +b^{2} =c^{2} \\81+225=305=c^{2} \\c=17.5[/tex]

The Population parameter is population mean i.e μ. The Interpretation of 90% confidence that population mean i.e μ lies between 116.8 and 149.2.

We have, a Normalised average amount of time, in minutes, data for students to complete a standardized test.

Sample size, n = 49

Significance level, = 90% = 0.90

Confidence interval is range of values. It is calculated by below formula, confidence interval,

CI = Mean ± Z( standard deviations/sample size)

but we have, the 90% confidence interval is equals to [116.8,149.2]. The population is a large set and it is deficult to work on population, so sample subsets of it are considered for observation. Population parameter is population mean. The interpretation from provide informations about 90% of confidence interval is that population mean lie between 116.8 and 149.2, i.e., 116.8 ≤ μ ≤149.2.

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The complete table is shown in the picture attached. The sale price of the product is $24.

The sale price is the original price minus the discount. It can be expressed as

S = P - D

Where

The discount when an item is on sale can be calculated by

D = d × P

Where d = percent of discount.

Complete the table shown in the picture!

We have

To complete the table, we should find the sale price.

From the information, the discount is

D = d × P

D = 80% × $120

D = $96

The sale price will be

S = P - D

S = $120 - $96

S = $24

The product has a sale price of $24.

The second picture attached shows the complete table.

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The probability that each bill is a $1 bill is given as follows:

1/16.

A probability is calculated as the division of the desired number of outcomes by the total number of outcomes.

The bills are replaced, hence we consider that for each trial, there is a 1/4 probability of selecting a $1 bill, as one out of the four bills are of $1.

Hence the probability that each bill is a $1 bill is obtained as follows:

p = 1/4 x 1/4

p = 1/16.

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Nonlinear Differential equation The discriminating equation said to be non direct if any product exists between the dependent variable and its derivations or between the derivations themselves.

The given differential equation,

(3)dydx = y(9+x2)/x(3-7y)

dy/dx 9+x2)/y (3-7y)

1 () dy 9+x2) dx (3-7y) V = 0

The given differential equation contains term product between the dependent variable (y) themselves.

So It is nonlinear differential equation.

Alternative ( With all questions answer ) :

1. Given differential equation is -

  -->  Ordinary

  --> Of order 2

  --> with x as dependent and t as independent variable

 -->  Linear

2. Given differential equation is -

  -->  Ordinary

  --> Of order 2

  --> with y as dependent and x as independent variable

 -->  Linear

3. Given differential equation is -

  -->  Ordinary

  --> Of order 1

  --> with y as dependent and x as independent variable

 -->  NOT Linear

1) The secondary dy dx is called ordinary.

The secondary ду хе is called partial. This isn't set up in any of the equations in question. Hence all are ordinary discriminational equations.

2) The secondary dy dx is of order 1 and the secondary day dx2 is of order 2. This way we can have third,

fourth. order derivations.

Our first 2 equations have maximum outgrowth of order 2. Hence similar ODE is of order 2. The last question equation has loftiest order of outgrowth = 1 hence it's first order ODE.

3) The variables whose derivations do in the equation are dependent and remaining variables are independent. Then in first question outgrowth of x is taken. Hence x is dependent. Same description applies for the remaing ODEs.

4) The linearity depends on 2 facctors. The power( indicator or exponent) of dy dx or day dx2( whichever occers in the equation) is called degree of ODE.( elect the loftiest order outgrowth to find degree). In any of the question we do not have degree further than 1. So this first criteria of linearity is satisfied by all given.

The alternate criteria is in any of terms containing dy dx or day dx2 the measure( constant or variable) mustn't contain the dependent variable. In our last question, if simplified we get the dependent variable( 1/ y) in addition with dy dx. Hence it's NOT direct. The terms without derivations can contain y but there also power of y must be 1. Look at question 2. The last term is 2y. If it were y2 or y3 or 1 y that equation couldn't be direct.

Simplification of (3)

dy dx y(2-3x x(1-3 y )  

1-3y dy (2-3x) dx у  

(2-3x) :- -3) dy dx  

This can be further integrated to solve, but the equation is NOT liner.

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The best description for Newton's third law is: When a passenger stepped from a boat to the shore, the boat moved away from the shore.

Newton's third law of motion states that "For every action, there is an equal and opposite reaction". In other words, if an object A exerts a force on object B, then object B will exert an equal and opposite force back on object A. This is the underlying principle behind the concept of action-reaction pairs.

For example, if you push a wall, the wall will push back on you with an equal force, but in the opposite direction. The law applies to all types of forces, including gravitational, electromagnetic, and strong and weak nuclear forces.

It's important to note that the third law only applies to interactions between two objects. If a third object is involved, the forces will not necessarily be equal and opposite.

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The evaluation of F(-2) is 18 and the value of x when f(x)=1 is 1/8.

There are many tools we can use to find the information of the relation which was used to form the graph.

A graph contains data of which input maps to which output.

Analysis of this leads to the relations which were used to make it.

For example, if the graph of a function is rising upwards after a certain value of x, then the function must be having increasingly output for inputs greater than that value of x.

If we know that the function crosses x axis at some point, then for some polynomial functions, we have those as roots of the polynomial.

Given that;

f(x)= -8x + 2

Now substituting -2 in f(x) to find the value of f(-2)

f(-2)=-8*-2+2

f(-2)=16+2

f(-2)=18

If the value of f(x)=1

1=-8x + 2

-1=-8x

x=1/8

Therefore, the value of function  f(-2) and when f(x) is equal to -1 will be 18 and 1/8

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Cannot be zero because any exponential number with base 0 is equal to 1.

Answer:

  x = 1

Step-by-step explanation:

You want the solution to the equation √(x²+2x+6) +x² = √(2x+2) -x +3.

We find a graphing calculator to be a useful tool for finding the solutions to equations like this. It shows the solution to be x = 1.

Solved in the usual way, this would resolve to an 8th degree equation with one integer factor: (x -1). The remaining 7th degree polynomial factor has 3 real roots and 4 complex roots. All of these 7 irrational solutions are extraneous. (They do not satisfy the original equation.)

The solution is x = 1.

__

Additional comment

Our approach to removing the radicals is to ...

The usual approach to looking for roots is to use Descartes' rule of signs and the Rational Root theorem.

You can determine there are 3 or 1 positive real roots, and 5, 3, or 1 negative real roots. The only rational real roots will be ±1 or ±47, and we know that ±47 can't work. (47^8 will not be balanced by any of the other terms in the polynomial.)

You can see already that the graphing calculator approach is much preferred.

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The volume of the rectangular tank is 4 feet * 5 feet * 4 feet = 80 cubic feet.

(a) To empty half of the tank, we need to pump out 80/2 = 40 cubic feet of water.

The weight of the water being pumped out is 40 cubic feet * 62.4 pounds/cubic foot = 2528 pounds.

To pump the water out over the top edge, work has to be done against gravity, which means the work done is equal to the weight of the water times the height it's lifted, which is 4 feet.

Therefore, the work done in pumping half of the water out is 2528 pounds * 4 feet = 10112 foot-pounds.

(b) To empty the tank, we need to pump out 80 cubic feet of water.

The weight of the water being pumped out is 80 cubic feet * 62.4 pounds/cubic foot = 5056 pounds.

To pump the water out over the top edge, work has to be done against gravity, which means the work done is equal to the weight of the water times the height it's lifted, which is 4 feet.

Therefore, the work done in pumping all of the water out is 5056 pounds * 4 feet = 20224 foot-pounds.

The complete question is:-

A rectangular tank with a base of 4 feet by 5 feet and a height of 4 feet is full of water. The water weighs 62.4 pounds per cubic foot. How much work is done in pumping water out over the top edge in order to empty (a) half of the tank and (b) all of the tank?

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The majority of the songs ranged in length from three to three and eight minutes. Thus, option a is correct.

The "bell" portion of this distribution, as can be seen, ranges from 3 to 3.8. A normal distribution characterizes the vast majority of the data in this situation. Accordingly, the majority of the songs were between three and three and a half and eight minutes long.

A continuous probability distribution for a real-valued random variable in statistics is known as a normal distribution or Gaussian distribution. A bell curve is a type of graph that is used to show how a group of selected values are distributed; it typically has a peak at the center that tends to be normal, with low and high extremes that taper off fairly symmetrically on either side.

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Answer:

The answer is A

Step-by-step explanation:

The area of the trapezium will be 168 ft².

What is a trapezium, exactly?

Trapezoids have two parallel sides and two oblique sides. Another term for it is a trapezium. A trapezoid is a four-sided closed form with a space-filling perimeter. It is a 2D figurine, not a 3D figure. The bases of a trapezoid are parallel to one another. Legs are non-parallel sides, sometimes referred to as lateral sides and height is the distance between the parallel sides.

The area of a trapezium is equal to 1/2*(a+b)*h.

where h is the distance or height between two parallel lines

Lines a and b are parallel.

Now,

As we can decompose given trapezium into a rectangle with length=18 ft and breadth=8 ft and a triangle with base=6 ft and height=8 ft.

Then area of trapezoid=area of rectangle + area of triangle

=l*b+1/2*b*h

=18*8+1/2*6*8

=144+24

=168 ft²

Hence,

           The area of the trapezium will be 168 ft².

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The number of points at which a circle can intersect a triangle is 2 and 6 only. The correct answer is "2 and 6 only".

When a circle intersects a triangle, it can intersect at 0, 1, 2, 3, 4, 5, or 6 points. The maximum number of intersection points occurs when the circle passes through all three vertices of the triangle, which results in 6 intersection points.

However, the minimum number of intersection points is 2, which occurs when the circle intersects the triangle at two distinct points. This can happen when the circle passes through one vertex of the triangle and intersects an opposite side at another point.

It is also possible for a circle to intersect a triangle at 0, 1, 3, 4, or 5 points, but these are not listed as options in the given answer choices. Therefore, the correct answer is "2 and 6 only".

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Given that the person is colorblind, the likelihood that they are male is around 0.926, or 92.6%.

As per the question given,  

Let's use Bayes' theorem to solve this problem.

Let M be the event that the person is male, and C be the event that the person is color-blind. We want to find the probability P(M|C), which is the probability that the person is male given that they are color-blind.

Using Bayes' theorem, we have:

P(M|C) = P(C|M) * P(M) / P(C)

We know that P(M) = 0.5, since 50% of the population are men. We also know that P(C|M) = 0.05, since 5% of men are color-blind. To find P(C), we can use the law of total probability:

P(C) = P(C|M) * P(M) + P(C|F) * P(F)

where F is the event that the person is female. We know that P(F) = 0.5, since 50% of the population are women, and we also know that P(C|F) = 0.004, since 0.4% of women are color-blind.

Substituting the values into Bayes' theorem, we have:

P(M|C) = 0.05 * 0.5 / (0.05 * 0.5 + 0.004 * 0.5)

= 0.926

Therefore, the probability that the person is male given that they are color-blind is approximately 0.926, or 92.6%.

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The total number of likes given to the shoulder length. The correct option is B.

A survey in human subjects research is a set of questions designed to elicit specific information from a specific group of people. Surveys can be conducted over the phone, by mail, on the internet, or even on street corners or in shopping malls.

In the given survey 10 liked option A mullet, 11 liked option B is shoulder length, 4 liked the short length and 2 liked bald head.

So from the survey, more points are given to the shoulder-length hairstyle.

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Answer:

Step-by-step explanation:

Cost of 100 gloves = $7.73

Cost of each glove = 7.73/100= $0.0773 (or 7.73 cents each)

The correct values of a and b, expressed in their simplest form is a = 7 and b = 97/23

An equation is a statement that shows the equality between two expressions. It contains an equal sign (=) and two sides that represent the same value.

To find the correct values of a and b, we need to use the given information about the silo's dimensions and the initial height of the grain. The radius of the silo is 10 meters and the height is 100 meters. The grain is initially at a height of 7 meters, so the remaining height that needs to be filled is

=> 100 - 7 = 93 meters.

Since we know that it takes hours to fill the silo, we can use this information to find the values of a and b. At the moment the silo is full, the depth of the grain is equal to the height of the silo, which is 100 meters. We can use this to form an equation:

d( ) = a³ + b = 100

We know that the total depth of the grain is the sum of the initial depth of 7 meters and the cubic equation that models the additional depth of the grain as more is poured into the silo. So we have:

d(t) = 7 + at³ + b

Now we can substitute this expression into the previous equation and solve for a and b:

7 + a³ + b = 100

a³ + b = 93

We have two unknowns, a and b, so we need another equation to solve for them. We can use the fact that the depth of the grain is zero when t is equal to the time it takes to fill the silo. This means that:

d( ) = 0 = 7 + a³ + b

Now we have two equations:

a³ + b = 93

a³ + b = -7

We can subtract the second equation from the first to eliminate b:

0 = 100

This is a contradiction, which means that there is no solution for a and b that satisfies the given conditions. Therefore, the answer is that there are no correct values of a and b expressed in their simplest form.

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