When considering stand-alone risk, the return distribution of a less risky investment is more placed ("tighter") than that of a riskier investment. What shape would the return distribution have for an investment witha) completely certain returns andb) completely uncertain returns?

The mean and the meaning is

The mean is a measure of central tendency that gives us the average value of a set of numbers.

To calculate the mean of the distances that the ball was thrown, we add up all the values and divide by the number of values. In this case, the mean is calculated as:

= (2.0 + 2.1 + 2.3 + 3.1 + 3.1 + 3.5 + 4.1 + 4.3 + 4.4 + 5.0 + 5.8 + 6.2) / 12

= 45.9 / 12

= 3.825

This value of 3.825 feet tells us that on average, the ball was thrown a distance of approximately 3.825 feet. This value gives us an idea of what a typical throw of the ball looks like, and can help us understand the distribution of the data.

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Answer: A math teacher writes 3(8a + 5c + 6e) on the board and asks her students to simplify the expression. If a student has values of a = 2, c = 3, and e = 4, what is the result of simplifying the expression?

Step-by-step explanation:

only has one zero/root, and it's a quadratic, means that that only zero has a multiplicity of 2, namely is there twice, so

[tex]\begin{cases} x = -10 &\implies x +10=0\\ x = -10 &\implies x +10=0\\ \end{cases} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{original~polynomial}{( x +10 )( x +10 ) = \stackrel{0}{h}}\implies x^2+20x+100=h[/tex]

The formula for calculating the sample mean is to take the sum of the values divided by the total number of values.

In this case, the two players would take the sum of the number of rounds they survived in their 101010 attempts, and then divide that sum by 101010. That would give them their individual sample means for the number of rounds survived.

To calculate the difference in the sample means of two players playing 101010 attempts, we can first calculate the sample mean of each player. This can be done by taking the sum of all attempts and then dividing that by the number of attempts. For example, if Player 1 had 5 attempts and survived 3 rounds, the sample mean would be 3/5 or 0.6. If Player 2 had 8 attempts and survived 4 rounds, the sample mean would be 4/8 or 0.5. We can then subtract the sample mean of Player 1 from the sample mean of Player 2 to get the difference in the sample means, which in this example would be 0.6 - 0.5 = 0.1.

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The perimeter of the new hexagon is 7575 times greater than the original perimeter.

Here are the steps to compare the perimeters of a regular hexagon after dilation by a scale factor of 7575:

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The problem involves calculating the probability of having 390 or more working devices in a box of 400 electronic devices, where each device works properly with a probability of 0.95. This type of problem can be solved using the binomial distribution.

The binomial distribution models the number of successful outcomes in a fixed number of independent Bernoulli trials. In this case, each device working properly can be considered as a Bernoulli trial with success probability 0.95. The total number of trials (i.e. devices) is 400.

Using the binomial distribution, we can calculate the probability of having exactly k successful outcomes (i.e. working devices) in n trials (i.e. devices). This probability is given by the formula:

P(k) = ([tex]{n}_C_{k}[/tex]) * p^k * (1-p)^(n-k)

where (n choose k) is the binomial coefficient, p is the success probability, and (1-p) is the failure probability.

To calculate the probability of having 390 or more working devices, we need to sum the probabilities of having 390, 391, 392, ..., 400 working devices:

P(390 or more) = P(390) + P(391) + ... + P(400)

This can be calculated using a binomial distribution calculator or by writing a program to calculate the binomial coefficient and probability for each value of k.

Finally, to express the result as a percentage, we need to multiply the probability by 100.

In conclusion, the percentage of boxes containing 390 or more working devices can be calculated using the binomial distribution, which models the number of successful outcomes in a fixed number of independent Bernoulli trials.

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The problem states that Ravi rented a truck for one day and there was a base fee of $14.99 and an additional charge of 89 cents for each mile driven. The goal is to find the number of miles that Ravi drove the truck.

We can start by using an equation to represent the total cost of renting the truck. Let's call the number of miles driven "m". The total cost can be expressed as:

14.99 + 0.89m

The first part of the equation (14.99) represents the base fee and the second part (0.89m) represents the additional charge for each mile driven.

Next, we can use the information given in the problem to solve for m. We know that Ravi had to pay a total of $14.99 when he returned the truck, so we can set up the following equation:

14.99 + 0.89m = 14.99

Solving for m, we can subtract 14.99 from both sides:

0.89m = 0

Finally, we can divide both sides by 0.89 to find the value of m:

m = 0

So, Ravi drove the truck for 0 miles. This means that either he did not drive the truck at all, or the number of miles driven was so small that it was rounded down to 0 miles.

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Yes, the solution to the system of linear equations represented by the matrix A lies in the plane spanned by the columns of A.

If the last row of the reduced matrix is [0, 0, 0, 0], it means that the system of linear equations represented by the matrix is consistent, but not necessarily unique. This is because the last row corresponds to an equation of the form 0 = 0, which is always true.

However, the presence of a non-zero row in the reduced matrix that corresponds to a non-trivial equation (i.e., an equation that is not of the form 0 = 0) is sufficient to guarantee that the solution exists and is unique, and that the solution lies in the plane spanned by the columns of A.

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The equation in the slope-intercept form is:

y = 8 + (3/2)x

Herewe have the linear equation:

3x - 2y = -16

And we want to write it in the slope-intercept form.

To do that, we need to isolate the variable y.

We will get:

3x - 2y = - 16

-2y = -16 - 3x

y = (-16/-2) + (-3/-2)x

y = 8 + (3/2)x

That is the equation written in the slope-intercept form.

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The dot product of u and v is -64. The distance between u and v is 16.

The dot product of two vectors u and v is calculated by multiplying the corresponding components of each vector and then summing the results. Therefore, the dot product of u and v is:

u•v = (−3)(9) + (10)(−5) + (9)(7) = −27 − 50 + 63 = −64

The distance between two vectors u and v is calculated by taking the square root of the dot product of the two vectors. Therefore, the distance between u and v is:

Distance(u,v) = √(u•v) = √(−64) = 16

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The equivalent expression of the given expression is 6s^2

From the question, we have the following parameters that can be used in our computation:

2s 1 3s

Rewrite the expression properly

So, we have the following representation

2s * 3s

Evaluate the product

So, we have the following representation

6s^2

Hence, the equivalent expression is 6s^2

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The correct answer is option a). The variable "the mileage of a car" is not a categorical variable.

A categorical variable, also known as a nominal variable, is a variable that can be divided into categories or groups. These categories can be any non-numeric values such as names, labels, or yes/no answers.

The variables "a person's gender," "the make of a laptop," and "whether a person is a college graduate" are all examples of categorical variables because they can be divided into categories such as "male," "female," "Dell," "HP," "yes," and "no."

However, the variable "the mileage of a car" is not a categorical variable because it is a numeric variable that represents a specific numerical value, such as the number of miles a car has driven. Unlike categorical variables, numeric variables can be ordered, compared, and manipulated mathematically.

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A. The slope of the line is 40

B. The equation of the line is 40x - y + 600 = 0

C. The equation is g(x) = 4x + 600        

The balance is 628 Rs.

The formula of the slope of line = Δy/Δx

                                             = 720 - 600 / 3 - 0

                                             = 120/3

                                             = 40

The equation of a line is given as y - y₁ = m(x - x₁)

m = 40 which is the slope.

When we substitute we have

y - 600 = 40(x - 0)

We have to substitute x as 0

y - 600 = 0

y = 600

therefore y = 40x + 600

This implies that 40x - y + 600 = 0

c.  y - 600 = 40x    

g(x) - 600 = 4x

hence

g(x) = 4x + 600        

d. x is 7 days

g(x) = 4*7 + 600

      = 628

The balance in the bank after 7 days is 628Rs.              

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The complete question is:

The table of values represents a linear function g(x), where x is the number of days that have passed and g(x) is the balance in the bank account:

x g(x)

0 $600

3 $720

6 $840

Part A: Find and interpret the slope of the function. (3 points)

Part B: Write the equation of the line in point-slope, slope-intercept, and standard forms. (3 points)

Part C: Write the equation of the line using function notation. (2 points)

Part D: What is the balance in the bank account after 7 days? (2 points)

Answer:

wrong ?

Step-by-step explanation:

show us crycle or a picture man

Given that 120 is a number between 90 and 180, it is an obtuse angle. This angle's measurement is therefore 90º < 120º < 180º.

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A sample of 220 patients with sore throats is tested for a contagious virus (5% positive). The central limit theorem holds and the mean of the sample proportion is 5% with a standard deviation of 0.0096. The probability of 7.5-9% positive is 68.3%.

a) the population is all patients who come to the doctor's office with a sore throat. The parameter of interest is the proportion of patients with a contagious virus in the population. The value of the parameter is 5%.

b) the central limit theorem (CLT) holds for the sample proportion of patients with a contagious virus because the sample size of 220 patients is large enough (more than 30) and the sample is being drawn randomly from the population.

c) the mean of the sample proportion of patients with a sore throat who has the virus is 5% and the standard deviation of the sample proportion is √(0.05 * 0.95) / 220 = 0.0096.

d) the probability that between 7.5% and 9% of these 220 patients in the sample with a sore throat have the virus is approximately 68.3% (based on a normal distribution).

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A sample of 220 patients with sore throats is tested for a contagious virus (5% positive). The central limit theorem holds and the mean of the sample proportion is 5% with a standard deviation of 0.0096. The probability of 7.5-9% positive is 68.3%.

a) the population is all patients who come to the doctor's office with a sore throat. The parameter of interest is the proportion of patients with a contagious virus in the population. The value of the parameter is 5%.

b) the central limit theorem (CLT) holds for the sample proportion of patients with a contagious virus because the sample size of 220 patients is large enough (more than 30) and the sample is being drawn randomly from the population.

c) the mean of the sample proportion of patients with a sore throat who has the virus is 5% and the standard deviation of the sample proportion is √(0.05 * 0.95) / 220 = 0.0096.

d) the probability that between 7.5% and 9% of these 220 patients in the sample with a sore throat have the virus is approximately 68.3% (based on a normal distribution).

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The statement that is true about these functions at x = 3 is that a(3) = b(3).

At x = 3, the value of a(x) is equal to the value of b(x) because the lines representing the two functions intersect at x = 3. Therefore, a(3) = b(3).

The two functions shown, a(x) and b(x), intersect at x = 3. This means that the values of the two functions are equal at x = 3. Therefore, a(3) = b(3).

The two functions, a(x) and b(x), represent mathematical expressions that can be graphed on a coordinate plane. When two lines intersect, they meet at exactly one point. In this case, the lines representing the two functions intersect at x = 3. This means that the two functions have the same value at x = 3. Therefore, a(3) is equal to b(3), which can be mathematically expressed as a(3) = b(3). This is an important property of intersecting lines and is commonly used in mathematics, engineering, and other related fields. It provides a way to find the common value between two functions at a specific point.

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The formula for the tangent line to f(x) = ln(x) at x = 2 is: y = (1/2)(x - 2) + ln(2)

The tangent represents the supplied function's instantaneous rate of change at a location.

The slope of the tangent at a location equals the function's derivative at the same position. The tangent slope of a function y = f x is d y d x.

The tangent and normal equations may be determined using the coordinate geometry formal of point-slope form.

The tangent equation is (y - y1) = m(x - x1), while the normal equation, passing through this same point and perpendicular to the tangent, is (y - y1) = -1/m (x - x1).

The formula for the tangent line to the function f(x) = ln(x) at x = 2 is given by:

y = f'(2)(x - 2) + f(2)

Plugging in the value f'(2) = 1/2 and f(2) = ln(2), we get:

y = (1/2)(x - 2) + ln(2)

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Independent variable t is time given to read story, dependent variable y is test scores, relationship modeled as y = f(t).

What is variable ?

variable, In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation. Commonly used variables include x and y (real-number unknowns), z (complex-number unknowns), t (time), r (radius), and s (arc length).

Let's denote the amount of time given to read the story as t. The independent variable t has three levels: t = 10 minutes, t = 15 minutes, and t = 20 minutes.

The dependent variable y is the test scores on the content of the story. The purpose of the study is to determine the relationship between the independent variable t and the dependent variable y.

The problem can be mathematically represented as:

y = f(t)

where f is a function that represents the relationship between the independent variable t and the dependent variable y.

Independent variable t is time given to read story, dependent variable y is test scores, relationship modeled as y = f(t).

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Independent variable t is time given to read story, dependent variable y is test scores, relationship modeled as y = f(t).

variable, In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation. Commonly used variables include x and y (real-number unknowns), z (complex-number unknowns), t (time), r (radius), and s (arc length).

Let's denote the amount of time given to read the story as t. The independent variable t has three levels: t = 10 minutes, t = 15 minutes, and t = 20 minutes.

The dependent variable y is the test scores on the content of the story. The purpose of the study is to determine the relationship between the independent variable t and the dependent variable y.

The problem can be mathematically represented as:

y = f(t)

where f is a function that represents the relationship between the independent variable t and the dependent variable y.

Independent variable t is time given to read story, dependent variable y is test scores, relationship modeled as y = f(t).

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The equivalent expression is 192ab + 288a

From the question, we have the following parameters that can be used in our computation:

3 ·· 4 a(16b 1 24

Express properly

So, we have

3 ·· 4 a(16b + 24)

Open the bracket

12a(16b + 24)

This gvves

192ab + 288a

Hence, the exrpession is 192ab + 288a

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Statistics is a branch of mathematics that deals with collecting data about the world. Hence, option C is the correct answer.

The study of data gathering, analysis, interpretation, presentation, and organization is known as statistics. In other words, gathering and summarizing data is a mathematical discipline. Additionally, statistics might be considered a subfield of applied mathematics. However, uncertainty and variation are two crucial and fundamental concepts in statistics. Only statistical analysis can determine the uncertainty and variation in many sectors. The probability, which is a key concept in statistics, essentially determines these uncertainties.

According to the definition of statistics; the study of data gathering, analysis, interpretation, presentation, and organization is known as statistics.

Hence, statistics is a branch of mathematics that deals with collecting data about the world. Hence, option C is the correct answer.

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The probability that at most 23 tails occurs is 46/52.

Probability is a measure of how likely something is to occur. It is a branch of mathematics that studies the occurrence of random events. The value is between 0 and 1. Mathematics has incorporated probability to forecast the possibility of events happening. The probability of something happening is referred to as its likelihood. The probability distribution is based on this fundamental idea of probability. We must first identify the total number of possibilities in order to calculate the probability that a specific event will occur.

Probability that an event will occur P(E) is the proportion of favourable outcomes to all outcomes.

Now,

Total no. of times coin tossed=26

Total outcomes=26 × 2=52

the probability that at most 23 tails occur=1-probability that 24,25 and 26 tails occured

=1- × [tex]\frac{25}{52}[/tex] × [tex]\frac{26}{52}[/tex]

=1-15600/140608

=89/100≈46/52

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Answer:  Brainliest Award pls

To find the base of a triangle with a given height and area, you can use the formula for the area of a triangle:

Area = (base * height) / 2

So, you can set up the equation:

24 = (base * 12) / 2

Solving for the base:

24 * 2 / 12 = base

base = 48 / 12 = 4

So, the base of the triangle is 4 inches.

Step-by-step explanation:

To find the base of a triangle with a given height and area, you can use the formula for the area of a triangle:

Area = (base * height) / 2

So, you can set up the equation:

24 = (base * 12) / 2

Solving for the base:

24 * 2 / 12 = base

base = 48 / 12 = 4

So, the base of the triangle is 4 inches.

Answer:

The statement that is true is B. This can be determined by using the information from openstax.org, which states that the measure of an angle is the amount of rotation from the initial side to the terminal side. Since the radius of circle Q is 7, any point with a distance from the origin that is less than 7 will lie outside of circle F.

Step-by-step explanation:

Answer:

2.1 seconds

Step-by-step explanation:

Note we are told that d = -2x² + 10, where d is distance (in feet) and x is time (in seconds).

After how many seconds is the skateboarder 1 ft from the bottom of the hill? => What is x when d=1?

To do this, sub 1 in for d and solve for x:

d = -2x² + 10

1 = -2x² + 10

-9 = -2x²

4.5 = x²

x = [tex]\sqrt{4.5}[/tex] ≈ 2.12132

It is clear that even with full-time, year-round employment at the federal minimum wage, the annual income is still below the poverty line. California's minimum wage provides slightly better wages, but it still remains below the poverty line.

Annual income:

Federal minimum wage: $15,080

California's minimum wage: $16,640

Marketing managers: $110,000

Police officers: $55,680

Child-care workers: $14,500

Difference between annual wage and federal poverty line:

Federal minimum wage: -$10,470

California's minimum wage: -$8,910

Marketing managers: $55,000

Police officers: $8,550

Child-care workers: -$10,830

Difference between annual wage and median household income:

Federal minimum wage: -$57,040

California's minimum wage: -$49,560

Marketing managers: $45,000

Police officers: $420

Child-care workers: -$63,010

However, child-care workers' annual income is still well below the poverty line and the median household income. This highlights the importance of providing a living wage for all workers, especially those in low-wage industries.

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The number of integrals required in the shell method is one or two, depending on the axis of rotation and the dimension of the solid of revolution.

The number of integrals required in the shell method depends on the dimension of the solid of revolution being generated. The shell method generates a solid of revolution by rotating a region about an axis.

For a solid of revolution generated by rotating a two-dimensional region about a vertical axis (i.e., a vertical shell), two integrals are required: one to find the volume of the shell and another to add up the volumes of all the shells to get the total volume of the solid.

For a solid of revolution generated by rotating a two-dimensional region about a horizontal axis (i.e., a horizontal shell), one integral is required to find the volume of the solid.

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The required value of the integral is 9x^(1/2) cos√x - (1/2) ∫9 sin√x x^(-1/2) dx

When different individuals or objects are brought together, such as when all of the district's elementary school children attend the new middle school or when snowboarding is introduced to all ski slopes, integration takes place.

The general formula for integration by parts is ∫u dv = uv - ∫v du. Choosing u = cos√x and dv = 9 dx, we have:

du = (1/2) sin√x dx and v = 9x^(1/2)

Therefore, the integral becomes:

∫9 cos⁡√x dx = 9x^(1/2) cos√x - (1/2) ∫9 sin√x x^(-1/2) dx

This can be further simplified if desired, but this is the result obtained by using integration by parts.

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Answer: 66.548

Step-by-step explanation: 26.2 in = 66.548 so that is how I got my elegant marvelous answer

Total amount of admission fee for the group of 26 students is 82.5$+135$ which is equal to 217.5 dollars.

There are a total of 26 students and the special offer is valid up to 11 students only.

Each of the 15 students will have to pay $135 as a special offer.

There are 11 more students, nevertheless, in addition to the great offer.

Each student paid an additional 7.5 dollars.

Therefore, the cost for 11 students is 11*(7.5$)=82.5$.

The total fee that is now owing is 82.5 + 135 dollars, which is equivalent to 217.5 dollars.

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An angle is the two rays sharing a common endpoint.

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