The value that represents the number of ways in which the expected classes are free to vary in the chi-square goodness-of-fit test is called the degrees of freedom (df).
It is equal to the number of categories minus one. The degrees of freedom provide a measure of the amount of information available in the sample to estimate the parameters of the distribution.
In a goodness-of-fit test, the degrees of freedom are calculated as the number of categories minus one, which represents the number of ways in which the expected classes are free to vary.
For example, if you are conducting a chi-square goodness-of-fit test to compare the distribution of a categorical variable with expected frequencies, you would have one degree of freedom for each category or class, with the exception of the last category.
The last category's frequency is determined by subtracting the sum of the observed frequencies for all other categories from the total sample size. This means that the last category is not free to vary independently, so it is not counted in the degrees of freedom calculation.
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f(3/4) if f(x) =2x-1/4
The value of f(3/4) is 5/4.
What is Function?A function is a relation from a set A to a set B where the elements in set A only maps to one and only one image in set B. No elements in set A has more than one image in set B.
Given is a function.
f(x) = 2x - 1/4
We have to find the value of the function when the input value x = 3/4.
For that, substitute 3/4 in place of x.
f(3/4) = (2 × 3/4) - 1/4
= 6/4 - 1/4
= 5/4
Hence the value of the function is 5/4.
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...........................
Answer: ?
Step-by-step explanation: ?
PLEASE HELP THIS IS SO DIFFICULT
A bag has nine balls labeled A, B, C, D, E, F, G, H, and I.
One ball will be randomly picked, and its letter will be recorded as the outcome.
Give the sample space describing all possible outcomes.
Then give all of the outcomes for the event of choosing a vowel.
Sample space describing all the possible outcomes,
S = { A,,C,D,E,F,G,H,I} and outcomes for choosing vowel ,V={A,E,I}.
What is a sample space?A sample is a set of possible outcomes from a random experiment. The subset of a space is called as event.
A bag has nine balls labeled A, B, C, D, E, F, G, H, and I.
One ball will be randomly picked, and its letter will be recorded as the outcome.
Let S be the sample space describing all the possible outcomes,
S = { A,,C,D,E,F,G,H,I}
Number of elements in S , n(S) = 9.
Let V be the event of choosing a vowel as outcomes,
V={A,E,I}
Number of outcomes in V, n(V) = 3
Hence, sample space describing all the possible outcomes,
S = { A,,C,D,E,F,G,H,I} and outcomes for choosing vowel ,V={A,E,I}.
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Please can someone Graph Y=-x+6
Answer: (0,6), (1,5), (2,4), (3,3)
Step-by-step explanation:
I don't think I can add a picture but I can give you points and you can just draw a line through all of them
(0,6), (1,5), (2,4), (3,3)
If you want to, you can use a graphing calculator and just put the equation in. If you don't have an actual graphing calculator, I recommend using desmos online graphing calculator because it works really well.
Which algebraic expression is equivalent to the expression below? 3(5x + 7) – 6(4 – 2x)
1. 12x + 3
2. 27x - 12
3. 27x - 3
4. 12x + 17
which one is correct
what is probability of not rolling a red marble, there are 3 red and 6 blue
Answer:
47% for rolling a blue and 33% for rolling a red
Step-by-step explanation:
Write the fraction as a decimal. Is it terminating or repeating?
7/9
Answer:
This is Non-terminating
decimal: 0.777
Step-by-step explanation:
how do you conversion ml to ounces
To convert milliliters (ml) to ounces (oz), multiply the number of milliliters by 0.033814. The conversion factor of 1 ml = 0.033814 oz is used to convert any given volume in milliliters to ounces.
In order to convert milliliters (ml) to ounces (oz), we use the conversion factor of 1 ml = 0.033814 oz. This means that one milliliter is equivalent to 0.033814 ounces. To convert any given volume in milliliters to ounces, we multiply that value by the conversion factor of 0.033814.
The result should be rounded off to an appropriate number of decimal places based on the level of precision required for the particular application.
For example, if we want to convert 500 ml to ounces, we would do:
500 ml * 0.033814 oz/ml = 16.907 oz
So, 500 milliliters is equal to 16.907 ounces.
Note that this conversion factor is exact, meaning that it has an infinite number of decimal places. However, when we round off the final result, we should choose an appropriate number of decimal places based on the level of precision that we need for the particular application.
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How to Convert ml to Ounces?
Three spheres each with charge Q uniformly distributed through its volume Rank the spheres according to the magnitude of the electric field they produced at point P (greatest firstl P (1) (2) (3) Select one: a. 3 > 2 > 1 b. all tie c. 1>2>3 d. 1 and 2 tie > 3 e. 2 > 3 >1
The correct ranking of the spheres according to the magnitude of the electric field they produce at point P (greatest first) is: 1 > 2 > 3. The answer is option C.
Since all three spheres have the same charge Q and radius, the magnitude of the electric field at point P due to each sphere is proportional to 1/d^2, where d is the distance between the center of the sphere and point P. Therefore, the sphere closest to point P will produce the greatest electric field at that point.
Assuming that the three spheres are arranged in a straight line with sphere 1 being the closest to point P and sphere 3 being the farthest, we can rank the spheres according to the magnitude of the electric field they produce at point P as follows:
Sphere 1 produces the greatest electric field at point P since it is the closest to it.
Sphere 2 produces the second greatest electric field at point P since it is farther away from point P than sphere 1 but closer than sphere 3.
Sphere 3 produces the smallest electric field at point P since it is the farthest from it.
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AB= Round your answer to the nearest hundredth.
The length of the side AB in triangle ABC is 6.58 units.
What are trigonometric ratios in terms of a right-angle triangle?
We know a right-angled triangle has three sides they are -: Hypotenuse,
Opposite and Adjacent.
We can remember SOH CAH TOA which is,
sin = opposite/hypotenuse, cos = adjacent/hypotenuse and
tan = opposite/adjacent.
From the given figure we can conclude that we have length of the adjacent
with an angle of 20° and we have been asked to find the hypotenuse.
We know cos = adjacent/hypotenuse.
∴ cos20° = adjacent/7.
0.937 = adjacent/7.
adjacent = 7*0.937.
adjacent = 6.58.
Hence , the length of the side AB in triangle ABC is 6.58 units.
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ASAP PLEASEEEEE WILL GIVE 50/60 POINTS
A rectangular prism is shown. The base of the prism is a square. The length of the diagonal from top corner A to opposite bottom corner B is 2 feet.
Determine the exact length of the box in inches.
answer choices :
414
495
The length of the rectangular prism is 20.35
How to solve for the length of the boxThe diagonal of the base is calculated using Pythagoras theorem. This is a side that will use to find the length of the box.
The diagonal A - B given as 2 feet = 24 inches is the hypotenuse while solving for the length of the prism
hypotenuse² = opposite² + adjacent²
plugging the values as in the problem
let x be the required distance
x² = 9² + 9²
x² = 81 + 81
x = √162
x = 12.728
The length of the rectangular prism is solved as follows
let y be the required distance
24² = y² + 12.728²
y² = 24² - 12.728²
y = √413.998
y = 20.35 in
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Which is different?
How much does it take to fill the cylinder?
What is the capacity of the cylinder?
How much does it take to cover the cylinder?
How much does the cylinder contain?
Find “both” answers
The both answers are- How much does it take to fill the cylinder? and How much is needed to completely fill the cylinder?
what is cylinder ?The cylindrical, which is routinely a two half solid, is one of the most basic curved geometric patterns. In simple geometry, it is known as a pyramid with a ring as its basis. The term "cyl" is also used to refer to a continuously curved surface in a broad range of contemporary areas of mathematics and geometry. A "cylinder" is a four structure made up of sloping surfaces with circle tops and bases. A canister is a muti solid figure with three grounds that have two identical circles connected at its height, which is defined by the separation of the structures from the centre. Examples of canisters are chilled drinks cans and toilet tissue wicks.
given
All four statements stats about cylinders .
How much does it take to cover the cylinder? and How much does it take to fill the cylinder? are both not showing volume or capacity of cylinder.
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Equilateral triangle abc has a perimeter of 96 millimeters. A perpendicular bisector is drawn from angle a to side at point m. What is the length of ? 16 mm 24 mm 32 mm 48 mm.
Option a is correct- The length of MC is 16mm.
The equilateral triangle has its three sides with the same length.
So if the perimeter is 96 mm, we have,
perimeter = 3 * side
3 * side = 96
side = 32mm
The segment MA is the height of the equilateral triangle, and its length can be calculated with the equation,
height = (side * root(3))/2
height = 16root(3)
Using the Pythagoras' theorem in the triangle ACM, we have,
side^2 = MC^2 +height ^2
1024 = MC^2 + 768
MC^2 = 256
MC = 16mm
so, The length of MC is 16mm.
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What is the number of moles in 3.2 x 10^24 atoms of nitrogen?
A. 1.9 moles
B. 5.3 moles
C. 9.5 moles
D. 19.2 moles
Answer:
b
Step-by-step explanation:
Use the Avogadro constant of 6.02 x 10^23
A rectangle rug has an area of 500 square inches. The width of the rug is 20 inches. How many inches long is the rug?
Answer:
Step-by-step explanation:
Answer: 25 inches
Step-by-step explanation:
The equation for area of a rectangle is Length x Width, since we have the width which is 20 in., we can multiply it by a variable and set it equal to 500.
20(b)=500
divide both sides by 20
b=25
What's the circumference of a
circle with a diameter of 22 inches?
Use 3.14 for I.
C = [?] inches
Round to the nearest hundredth, if necessary.
Circumference of the circle with the given diameter is 69.08 inches.
What is Circumference of a Circle?Circumference of a circle is defined as the total length of the boundary of the circle.
The concept is same as the perimeter for straight sided figures.
Given,
Diameter of the circle = 22 inches
Radius of the circle = Diameter / 2 = 22 / 2 = 11 inches
Circumference of a circle = 2πr, where r is the radius of the circle and the value of π is 3.14.
Circumference = 2 × 3.14 × 11 = 69.08 inches
Hence 69.08 inches is the circumference of the circle.
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Which is more, 3,293 yards or 1 mile?
Answer:
3,293 yards are more than a mile
Step-by-step explanation:
1 mile is 1,760 yards. Thereby, we know that 3,293 is more than 1,760.
Answer: 3,293 yards is more than a mile since a mile is 1,760 yards
Step-by-step explanation:
2 miles are 3,520 yards which can further prove that 1 mile is way less the 3,293 yards
Hope this helped
Brian was recording the height of a plant for a science project. The plant was 6 1/2 inches tall last week. After measuring the plan this week he recorded that the plant grew 1 1/4 inches. What is the height of the plant now
Answer:
The height of the plant now is 7 3/4 inches, as it has grown by 1 1/4 inches from the previous measurement of 6 1/2 inches.
Step-by-step explanation of how to calculate the height of the plant:
1. Measure the height of the plant last week, and record it (it is 6 1/2 inches).
2. Measure the height of the plant this week, and record it (it is 7 3/4 inches).
3. Subtract the height measured last week from the height measured this week (7 3/4 - 6 1/2 = 1 1/4 inches). This result indicates the amount the plant has grown.
4. Add the result from Step 3 (1 1/4 inches) to the height that was recorded last week (6 1/2 inches).
5. The final result is the current height of the plant, which is 7 3/4 inches.
What is the value of x?
The value of x for the given angles will be x = 20. The correct option is A.
What are lines and angles?The lines are the collection of collinear points arranged in a straight path. Types of lines can be a ray, segment, etc. The angle is the space between the two intersecting lines calculated in degrees.
Given that the two opposite angles when two lines intersect each other are,
(x + 40)°
(3x)°
The value of x will be calculated as:-
x + 40 = 3x
3x - x = 40
2x = 40
x = 20
Therefore, the value of x for the given angles will be x = 20. The correct option is A.
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579.83+42.2
QUICK!!!
Answer:
622.03
Step-by-step explanation:
A rigid motion maps each part of a figure to an______ part of its image
A rigid motion maps each part of a figure to an Rotation.
What is rotation ?
In physics, rotation refers to the movement of an object around an axis or a fixed point. When an object rotates, every point on the object moves in a circle around the axis of rotation, and the object typically completes one full rotation or revolution after it has moved a full 360 degrees around the axis.
The study of rotation in physics is important in many fields, including mechanics, electromagnetism, and quantum mechanics. Rotational motion is characterized by several key parameters, including the angle of rotation, the angular velocity (how fast the object is rotating), and the angular acceleration (how quickly the angular velocity is changing).
In addition, rotational motion is subject to a number of physical laws and principles, such as Newton's laws of motion, which describe the relationship between the forces acting on a rotating object and its resulting motion. Other principles, such as the conservation of angular momentum, relate to the conservation of the rotational energy of a system as it undergoes rotational motion.
Therefore, a rigid motion maps each part of a figure to an Rotation.
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The data for numbers of times per week the 24 students of digimo high eat vegetables are shown in the frequency table which data display would you use to represent this data
To represent the data, the display used is histogram.
What is histogram?A frequency distribution shows how often each different value in a set of data occurs. A histogram is the most commonly used graph to show frequency distributions. Histograms visualize quantitative data or numerical data, whereas bar charts display categorical variables.
Given,
Data of 24 students eating vegetables in the frequency table.
The data is quantitative.
Histograms are visual displays of frequencies using columns plotted on a graph. The Y-axis (vertical axis) generally represents the frequency count, while the X-axis (horizontal axis) generally represents the variable being measured.
Hence, Histogram will be used to represent the data.
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How do you find the limit of one side?
One must evaluate the function as the independent variable gets closer to the point from the provided side.
So in order to determine the limit of a function at a point from one side, one must evaluate the function as the independent variable gets closer to the point from the provided side. Take the subsequent function, for instance: scss. Copy the code f(x) = (x2 - 4) /. (x - 2)
You can evaluate the function for x values that are getting closer to 2 but always greater than 2 in order to determine the limit of this function as x approaches 2 from the positive side (i.e., as x goes closer and closer to 2 from values greater than 2). The function can be evaluated, for instance, at x = 2.1, x = 2.01, x = 2.001, and so forth. The function values will approach the target value as x approaches 2, which is 2. In order to determine the limit of this function as x approaches 2 from the positive side (i.e., as x goes closer and closer to 2 from values greater than 2). The function can be evaluated, for instance, at x = 2.1, x = 2.01, x = 2.001, and so forth.
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Choose the correct symbol to fill in the box
below.
4c means 4 C
The term 4c defines the constant term 4 is multiplied by c.
What are coefficients and like terms?A quantity or number that is combined with a variable is known as a coefficient. The variable is often multiplied by an integer, which is then printed next to it.
Terms that have the same variables raised to the same power are referred to as like terms. The only difference is in the numerical coefficients.
Suppose we have an equation 2x + 3, In algebra, we don't write 2×x + 3.
We simply write 2x + 3.
Similarly, 4c mean 4 is multiplied by c, 4×c, Where 4 is the coefficient and c is the variable.
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descending from 35600 feet at a rate of 3200 feet per minute
Answer:
the answer is 11.1 minute
Step-by-step explanation:
divide 35600 by 3200
SP when CPi is 380 and gain percentage is 25
Answer:
If the cost price (CP) is 380 and the gain percentage is 25%, we can use the following formula to find the selling price (SP):
SP = CP + (gain percentage/100) * CP
Substituting the given values, we get:
SP = 380 + (25/100) * 380
SP = 380 + 95
SP = 475
Therefore, the selling price is 475.
Step-by-step explanation:
Office Supplies: The Office Supplies account started the year with a $4,000 debit balance. During the year, the company purchased supplies for $13,400, which added to the Office Supplies Account. The inventory of supplies available at the end of the year totaled $2,554.
1. The beginning balance of Office Supplies:
2. The amount to be adjusted (show your calculation):
3. The ending balance of the account after the adjustment (show your calculation):
4. Adjusting Journal Entry (please include description):
1.The beginning balance should be $4,000
2.The amount to be adjusted is $2554
3.The ending balance of the account after the adjustment $2554
4. Office Supplies Account is $14846
"Information available from the question"
The Office Supplies account started the year with a $4,000 debit balance
The company purchased supplies for $13,400,
The inventory of supplies available at the end of the year totaled $2,554.
Now, According to the question:
1. The beginning balance should be $4,000
2.The adjusted amount is
Opening balance = 4000
Add: New purchases = 13400
Balance after Purchase = 17400
Less: Year end balance = 2554
3. The ending balance is $2,554
4. The adjusting journal entry is
Dr. Supplies Expense Account is 14846
Adjustment in the year = Cr. 14846 (subtracted from the balance)
Office Supplies Account is 14846
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Q is the centroid of the triangle. What is the length of QK?
Applying the centroid theorem, the length of QK in the triangle is: 10.
What is a Centroid of a Triangle?The centroid of a triangle is the point of intersection of the three medians of the triangle. A median is a line segment that connects a vertex of a triangle to the midpoint of the opposing side. T
What is the Centroid Theorem?The Centroid Theorem states that the centroid of a triangle is located two-thirds of the distance from each vertex to the midpoint of the opposite side.
In other words, if G is the centroid of triangle ABC, then AG = (2/3)AD, BG = (2/3)BE, and CG = (2/3)CF, where D, E, and F are the midpoints of sides BC, AC, and AB, respectively.
Therefore, given that:
Q is the centroid of ΔJKL
PQ = 5
Thus, PQ = 1/3(PK) [according to the centroid theorem]
Substitute:
5 = 1/3(PK)
15 = PK
PK = 15
QK = PK - PQ
QK = 15 - 5
QK = 10 units
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I need the Code because I don’t know what I’m doing I just need the Code plssss
Answer: 2.3716 <-------- This is the Code
Step-by-step explanation:
1.4 x 2.5 = 3.5
2.2 x 2.5 = 5.5
1.4 x 0.2 = 0.28
2.2 x 0.2 = 0.44
3.5 x 0.28 = 0.98
5.5 x 0.44 = 2.42
Then:
X 1.4 2.2
2.5 3.5 5.5
- x - - x -
0.2 0.28 0.44
- = - - = -
0.98 x 2.42 = 2.3716 <-------- This is the Code