low securitymedium securitymaximum securitytotalatlanta7016070300los angeles100150150400detroit155100245500total3254104651,200what is the appropriate degrees of freedom for this test?

Answers

Answer 1

Using the given data, we have r = 4 and c = 3. Therefore, the degrees of freedom would be (4-1)(3-1) = 6.

Explanation

The given data is in the form of a table, which represents the number of facilities in different locations with varying levels of security. To determine the appropriate degrees of freedom for this test, we need to know the type of statistical analysis that is being performed.

Since the question does not provide any context or information about the statistical analysis, we cannot determine the appropriate degrees of freedom. It is possible that the degrees of freedom may not even be relevant to the analysis being performed.

However, if we assume that a chi-square test is being conducted to determine whether there is a significant association between the location and the security level of facilities, then the appropriate degrees of freedom would be (r-1)(c-1), where r is the number of rows and c is the number of columns in the table.
In summary, the appropriate degrees of freedom for this test would be 6 if a chi-square test is being conducted to determine the association between the location and the security level of facilities.

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Related Questions

Various doses of an experimental drug, in milligrams, were injected into a patient. The patient's
change in blood pressure, in millimeters of mercury, was recorded in the table below.
40 50
Dose (mg)
Change in Blood Pressure
(mmHg)
10
2
20
9
30
12
14 16
Use the model to find the expected change in blood pressure for a 100 mg dose.
10

Various doses of an experimental drug, in milligrams, were injected into a patient. The patient'schange

Answers

Using the linear model, we can predict that a 100 mg dose of the experimental drug would cause a change in the patient's blood pressure of 540 mmHg.

What is equation?

An equation is a mathematical statement that expresses the equality of two expressions. It consists of two expressions, one on the left side and one on the right side, which are connected by an equals sign (=). Equations are fundamental to mathematics, and are used to solve many problems. In addition, equations can also be used to describe physical laws, such as Newton's law of gravity.

10 + 2(20) + 3(30) + 4(100)

= 10 + 40 + 90 + 400

= 540 mmHg

The linear model suggests that a 100 mg dose of the experimental drug would cause a change in the patient's blood pressure of 540 mmHg. This can be seen by using the linear equation 10 + 2x + 3x + 4x. Here, the first coefficient of 10 represents the change in blood pressure for a 10 mg dose, the second coefficient of 2 represents the change in blood pressure for each additional 10 mg dose, the third coefficient of 3 represents the change in blood pressure for each additional 20 mg dose, and the fourth coefficient of 4 represents the change in blood pressure for each additional 30 mg dose.

For example, if the patient was given a 40 mg dose, the equation would be 10 + 2(20) + 3(30), which would yield a change in blood pressure of 140 mmHg. Similarly, if the patient was given a 50 mg dose, the equation would be 10 + 2(20) + 3(30) + 4(10), which would yield a change in blood pressure of 190 mmHg.

Therefore, using the linear model, we can predict that a 100 mg dose of the experimental drug would cause a change in the patient's blood pressure of 540 mmHg.

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The linear model predicts that a 100 mg dose of the investigational drug will raise the patient's heart rate by 540 mmHg.

What is equation?

A mathematical statement that expresses the equality of two expressions is known as an equation. It comprises of two expressions that are joined together by the equals sign (=), one on the left side and one on the right. Equations are essential to mathematics and are frequently used to resolve issues. Moreover, equations can be utilised to explain natural laws like Newton's law of gravity.

10 + 2(20) + 3(30) + 4(100)

= 10 + 40 + 90 + 400

= 540 mmHg

The linear model predicts that a 100 mg dose of the investigational drug will raise the patient's heart rate by 540 mmHg.

Using the linear equation 10 + 2x + 3x + 4x, this may be observed. In this case, the first coefficient of 10 denotes the change in blood pressure for a dose of 10 mg, the second coefficient of 2, the change for each additional dose of 10 mg, the third coefficient of 3, the change for each additional dose of 20 mg, and the fourth coefficient, the change for each additional dose of 30 mg.

For instance, if the patient received a dose of 40 mg, the equation would be 10 + 2(20) + 3(30), resulting in a 140 mmHg change in blood pressure. The calculation would be 10 + 2(20) + 3(30) + 4(10) if the patient received a 50 mg dose, which would result in a 190 mmHg change in blood pressure.

As a result, we can infer from the linear model that a 100 mg dose of the experimental medication would result in a 540 mmHg change in the patient's blood pressure.

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what is the density of 2.4kg of muscle that occupies 30cm^3 of space?

Answers

The density of 2.4kg of muscle that occupies 30cm^3 of space is approximately 80g/cm^3.

The density of an object can be calculated using the formula: density = mass/volume. In this case, the mass of the muscle is 2.4 kg and the volume it occupies is 30 cm³. To find the density, simply divide the mass by the volume:

Density = (2.4 kg) / (30 cm³)

Density ≈ 0.08 kg/cm³

So, the density of the 2.4 kg muscle occupying 30 cm³ of space is approximately 0.08 kg/cm³. The density of an object can be calculated using the formula: density = mass/volume. The density of 2.4kg of muscle that occupies 30cm^3 of space is approximately 80g/cm^3.

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85% of z is 106,250. What is z?

Answers

Answer:

125000

Step-by-step explanation:

106250/85=1250

1250*100=125000

Martin Ellis sells a line of cooking pots. He is paid a salary of $1,150 a month plus a 10% commission on all sales. Last month his sales were $35,000. What were his total earnings?


a

$500.00

b

$4,650.00

c

$650.00

d

$50.00

Answers

Answer:$4,650.00

Step-by-step explanation:35,000x10%=3,500

3,500+1,150=4,650

six less than the product of a number n and 1/7 is no more than 95

Answers

ANSWER:

\(\frac{1}{7}n-6\le95\)

STEP-BY-STEP EXPLANATION:

We must interpret each sentence mathematically, just like this:

Less then would be a subtract

Product would be a multiplication

No more than would be equal or less than

\(\frac{1}{7}n-6\le95\)

Select all the true statements:

Select all the true statements:

Answers

Answer:

B , C and d are true because thsimilarey are

Kelsey surveyed the 17 shoppers who spent the most at her boutique last month.

Is this a random sample of the shoppers at the boutique?


PLLLLLLLSSS! I NEED THIS ASAP!

Answers

Answer: No

Reason: The sample is biased toward the people who spent the most money. It leaves out people who didn't spend as much money, so the sample is not representative. A better survey method would be to randomly select names out of a hat.

A jar containing 17 coins (pennies, dimes and quarters) has a total value of $2.06. If you remove 5 pennies, 5 dimes and 5 quarters from the jar, which coins will remain in the jar?

Answers

5 pennies = .05
5 dimes= .50
5 quarters= $1.25
Add those together and get:
1.80

Subtract 1.80 from 2.06
And you’ll get:
.26

Meaning there is a quarter and a penny left.

5 penny’s equal $0.05
5 dimes equal $0.50
5 quarters equal $1.25
In total that is $1.80

If you take that away from $2.06 you get $0.26.

You have 2 coins left so you have one quarter and one penny.

3. Jorge needs to buy a new tire and wants to find our the diameter of his current
tires. He looks at the tire and it reads P280/60R15. What is the diameter of the
entire tire (in inches)?
A)6.6 in.
B)15 in.
C)28.2 in.
D)168 in.

Answers

C I’m not sure but I hope it helps

list all positive integers that divide evenly to 10.​

Answers

Answer:

1, 2, 5, 10

Step-by-step explanation:

1 × 10 = 10

2 × 5 = 10

10 ÷ 5 = 2

10 ÷ 2 = 5

10 ÷ 10 = 1

1. The people of Whoville were shopping like crazy to get their lists completed! One customer bought a wreath for $12 and seven ornaments. The customer spent a total of $54. How much did each ornament cost?

2. If the average size of a heart is 12 cm and the Grinch's heart is "maybe" two sizes too small . How many centimeters is the Grinch's heart?​

Answers

Answer:

i came from da one dude with 4 questtions, uhm

$52 - $12 is $40

$40 divided by 7 is 5.71428571??

so i would say about $6.00 for each ornament

and easy, 12 divided by 2 is 6 so his heart is 6 cm

Step-by-step explanation:

Answer:

Step-by-step explanation:

This is my other ACC, just click the crown

If the allele frequency of the dominant allele is 0.4, what value is used for the term p^2 in the equation p^2+ 2pq + q^2 = 1?

Answers

The value is used for the term p^2 in the equation p^2+ 2pq + q^2 = 1 is 0.16.

According to the statement

we have given that the allele frequency of the dominant allele is 0.4, and we have to find that the value of p^2 in the equation p^2+ 2pq + q^2 = 1.

So, For this purpose, we know that the

The allele frequency represents the incidence of a gene variant in a population. Alleles are variant forms of a gene that are located at the same position, or genetic locus, on a chromosome.

And here

allele frequency is the 0.4 and represent the value of P.

So, The value of p is 0.4 and the

Then p^2 = (0.4)^2

so, the value becomes

p^2 = (0.4)^2

p^2 = 0.16.

So, The value is used for the term p^2 in the equation p^2+ 2pq + q^2 = 1 is 0.16.

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Please answer and explain how

Please answer and explain how

Answers

The expression is to be written in complete square method and the value will be equal to  (x + 5/2)² + 7/4.

The expression x² + 5x + 8 is a quadratic polynomial and a quadratic polynomial is one which can be written in the form ax² + bx + c; where a, b and c are constant values and x is the independent variable. Now in order to write the expression by using completing square method we write the polynomial as

x² + 5x + 8

We divide the coefficient of x that is 5 by 2 so we get

x² + (5/2)x + 8

Now, we add and subtract the square of coefficient of x that is 5/2 so we get

x² + (5/2)x + 8 + (5/2)² - (5/2)²

From the above expression we get

(x + 5/2)² + 8 - 25/4

(x + 5/2)² + (32 - 25)/4

(x + 5/2)² + 7/4

Thus we have written the expression in the form (x + p)² + q as (x + 5/2)² + 7/4.

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429 divided by 7 with a remainder

A. 61 2/7
B. 61
C. 69
D. 61 7/2

Answers

Answer:

61 with a remainder of 2

Step-by-step explanation:

...........

61 with a reminder of 2

What is the rate of change of function g?

What is the rate of change of function g?

Answers

Answer:

The rate of change of function g is: 3/2

Step-by-step explanation:

Given the table of function g

x               y

2              4

4              7

6             10

8             13

We know that rate of change is also termed as the slope of the function.

Thus,

let us take any two points, let say

(2, 4) and (4, 7)

Determining the slope between (2, 4) and (4, 7)

(x₁, y₁) = (2, 4)

(x₂, y₂) = (4, 7)

Using the formula

Rate of change or Slope = m =  [y₂ - y₁] /  [x₂ - x₁]

               =  [7 - 4] / [4 - 2]

               = 3 / 2

Thus, the rate of change of function g is: 3/2

the product of a number (a) increased by seventeen and three

Answers

Answer:

a×+17=3

hope it helps tho

Which of the following represents a solution to the equation d3 - 343?

Answers

I don’t see any multiple choice but d3 -343 is factored as (d-7)(d^2+7d+49)

raise 6 to the 7th power, then multiply j by the results

Answers

Answer:

279936j

Step-by-step explanation:

giovanna owns a farm. she is going to randomly select one animal to present at the state fair. she has 6 pigs, 7 chickens and 10 cows

Answers

The probability that she will select a chicken would be =7/23.

What is probability?

Probability is defined as the expression that represents that possible outcome of an event.

The amount of pigs in the farm = 6

The amount of chicken in the farm = 7

The amount of cows in the farm = 10

The total animals in the farm = 10+7+6 = 23

The probability of selecting a chicken out from the whole farm = 7/23.

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Complete question:

Giovanna owns a farm. She is going to randomly select one animal to present at the state fair. She has 6 pigs, 7 chickens, and 10 cows. What is P (chicken) ?

are these correct? and what’s the answer for #24?

are these correct? and whats the answer for #24?

Answers

The equivalent of 0.85 hectogram (hg) is 850 decigram (dg)

How to determine the conversion?

The measure is given as:

0.85 hg

As a general rule:

1 hectogram (hg) = 1000 decigram (dg)

So, multiply both sides of the above equation by 0.85

So, we have:

0.85 * 1 hectogram (hg) = 0.85 * 1000 decigram (dg)

Evaluate the product

0.85 hectogram (hg) = 850 decigram (dg)

Hence, the equivalent of 0.85 hectogram (hg) is 850 decigram (dg)

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PLEASE HELP ASAP!!!!!

PLEASE HELP ASAP!!!!!

Answers

Answer: -8/7

Step-by-step explanation: (-2)(4)/7

The record high temperature in Australia is 123°F. The record low temperature in Australia is – 9°F. How many degrees warmer is the record high temperature than the record low temperature?

Answers

Answer:

132

Step-by-step explanation:

123+9=132?

Answer:

132 degrees and can I get brainliest

Step-by-step explanation:

Absolute value of -9 is 9 so then 123 plus 9.

A driveway is 25 meters long. How long is the driveway in centimeters.

Answers

Answer:

insertlinkhere or as in translates 1n53rtl1nkh3r3

Step-by-step explanation:

that would be 2500 centimeters

what is the answer to 90+8

Answers

Answer:

98 hope it helps yesssssss

Answer: 90 + 8 = 98

Just remove the 0 and add the 8. its easy!

what is the length of RS
Answer needed ASAP

what is the length of RS Answer needed ASAP

Answers

Answer:

For sure 34

Step-by-step explanation:

the red lines are the same length to each letter just add those.

My lizard Isabella is 4 2/6 inches long. My lizard Kendall is 2 times as long. How long is my lizard Kendall?

8 4/12
8
8 2/6
8 4/6

Answers

The answer would be 8 4/6
Just do 4 2/6 *2= 8 4/6

Use Trigonometric substitution to eliminate the roots 1.1. 164+2 + 1 Use Trigonometric substitution to eliminate the roots 1.1. V64+2 + 1 1.2. V4z2 – 49

Answers

To eliminate the roots in 1.1 and 1.2, we can use trigonometric substitution. In 1.1, we can substitute x = 4 sin(theta) to eliminate the root of 4. In 1.2, we can substitute z = 7 sin(theta) to eliminate the root of 7.

1.1. V64+2 + 1 We can substitute x = 4 sin(theta) to eliminate the root of 4. This gives us:

V64+2 + 1 = V(16 sin^2(theta) + 2 + 1) = V16 sin^2(theta) + V3 = 4 sin(theta) V3 1.2. V4z2 – 49

We can substitute z = 7 sin(theta) to eliminate the root of 7. This gives us:

V4z2 – 49 = V4(7 sin^2(theta)) – 49 = V28 sin^2(theta) – 49 = 7 sin(theta) V4 – 7 = 7 sin(theta) (2 – 1) = 7 sin(theta)

Here is a more detailed explanation of the substitution:

In 1.1, we know that the root of 4 is 2. We can substitute x = 4 sin(theta) to eliminate this root. This is because sin(theta) can take on any value between -1 and 1, including 2.

When we substitute x = 4 sin(theta), the expression becomes V64+2 + 1 = V(16 sin^2(theta) + 2 + 1) = V16 sin^2(theta) + V3 = 4 sin(theta) V3

In 1.2, we know that the root of 7 is 7/4. We can substitute z = 7 sin(theta) to eliminate this root. This is because sin(theta) can take on any value between -1 and 1, including 7/4.

When we substitute z = 7 sin(theta), the expression becomes: V4z2 – 49 = V4(7 sin^2(theta)) – 49 = V28 sin^2(theta) – 49 = 7 sin(theta) V4 – 7 = 7 sin(theta)

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list the numbers in the set (4/5, -18, 0, √5, -1/2, -2.01, 5, π, 2.513, 5.1823159...)) that are whole numbers integers rational numbers irrational numbers, and real numbers

Answers

Answer:

4/5 - real, rational

-18 - real, rational, integers,

0- real, whole, integers, rational

-v5- Irrational, real

-1/2- real, rational

-2.01- real, integers, rational

5- real, whole, natural, integers, rational

pi- Irrational, real

2.513 - real, rational

5.1823159-real, rational

Hope I can Be the brainliest :)

Marley drives to work every day and passes two independently operated traffic lights. The probability that both lights are red is 0. 35. The probability that the first light is red is 0. 48. What is the probability that the second light is red, given that the first light is red?

Answers

The probability that the second traffic light is red, given that the first light is red is approximately 0.729 or 72.9%.

To find the probability that the second light is red, given that the first light is red, we can use the concept of conditional probability. The conditional probability of an event B happening, given that event A has already occurred, is denoted as P(B|A).

In this scenario, event A represents the first traffic light being red, and event B represents the second traffic light being red. We are given that the probability of event A, P(A), is 0.48, and the probability of both events A and B occurring, P(A and B), is 0.35.

The formula to calculate conditional probability is:

P(B|A) = P(A and B) / P(A)

Plugging in the values we have, P(B|A) = 0.35 / 0.48.

Dividing 0.35 by 0.48, we find that the probability of the second traffic light being red, given that the first light is red, is approximately 0.729.

Therefore, the probability that the second light is red, given that the first light is red, is approximately 0.729 or 72.9%.

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Help what’s the answer?

Help whats the answer?

Answers

Answer:

what are you ment to do...............

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