The binomial distribution that describes the experiment of rolling a die three times and success is rolling a number divisible by 3 .

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Answer 1

Question

Chapter 8.3, Problem 22E

(a)

To determine

To calculate: The binomial distribution that describes the experiment of rolling a die three times and success is rolling a number divisible by 3.

(b)

To determine

To calculate: The mean of the binomial distribution of an experiment of rolling a die three times and success is rolling a number divisible by 3.

(c)

To determine

To calculate: The standard deviation of the binomial distribution of an experiment of rolling a die three times and success is rolling a number divisible by 3.

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(a) Test the hypothesis. Consider the hypothesis test Ho = : against H₁o < 02. Suppose that the sample sizes aren₁ = 7 and n₂ = 13 and that $² = 22.4 and $22 = 28.2. Use α = 0.05. Ho is not ✓ rejected. 9-9 IV (b) Find a 95% confidence interval on of 102. Round your answer to two decimal places (e.g. 98.76).

Let us suppose we have some article reported on a study of potential sources of injury to equine veterinarians conducted at a university veterinary hospital. Forces on the hand were measured for several common activities that veterinarians engage in when examining or treating horses. We will consider the forces on the hands for two tasks, lifting and using ultrasound. Assume that both sample sizes are 6, the sample mean force for lifting was 6.2 pounds with standard deviation 1.5 pounds, and the sample mean force for using ultrasound was 6.4 pounds with standard deviation 0.3 pounds. Assume that the standard deviations are known. Suppose that you wanted to detect a true difference in mean force of 0.25 pounds on the hands for these two activities. Under the null hypothesis, 40 = 0. What level of type II error would you recommend here? Round your answer to four decimal places (e.g. 98.7654). Use a = 0.05. β = i What sample size would be required? Assume the sample sizes are to be equal.…

= Consider the hypothesis test Ho: μ₁ = μ₂ against H₁ μ₁ μ2. Suppose that sample sizes are n₁ = 15 and n₂ = 15, that x1 = 4.7 and X2 = 7.8 and that s² = 4 and s² = 6.26. Assume that o and that the data are drawn from normal distributions. Use απ 0.05. (a) Test the hypothesis and find the P-value. (b) What is the power of the test in part (a) for a true difference in means of 3? (c) Assuming equal sample sizes, what sample size should be used to obtain ẞ = 0.05 if the true difference in means is - 2? Assume that α = 0.05. (a) The null hypothesis is 98.7654). rejected. The P-value is 0.0008 (b) The power is 0.94 . Round your answer to four decimal places (e.g. Round your answer to two decimal places (e.g. 98.76). (c) n₁ = n2 = 1 . Round your answer to the nearest integer.

Answer 2

Question

Chapter 8.3, Problem 22E

(a)

To determine

To calculate: The binomial distribution that describes the experiment of rolling a die three times and success is rolling a number divisible by 3.

(b)

To determine

To calculate: The mean of the binomial distribution of an experiment of rolling a die three times and success is rolling a number divisible by 3.

(c)

To determine

To calculate: The standard deviation of the binomial distribution of an experiment of rolling a die three times and success is rolling a number divisible by 3.

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Answer 3

Question

Chapter 8.3, Problem 22E

(a)

To determine

To calculate: The binomial distribution that describes the experiment of rolling a die three times and success is rolling a number divisible by 3.

(b)

To determine

To calculate: The mean of the binomial distribution of an experiment of rolling a die three times and success is rolling a number divisible by 3.

(c)

To determine

To calculate: The standard deviation of the binomial distribution of an experiment of rolling a die three times and success is rolling a number divisible by 3.

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Answer 4

Question

Chapter 8.3, Problem 22E

(a)

To determine

To calculate: The binomial distribution that describes the experiment of rolling a die three times and success is rolling a number divisible by 3.

(b)

To determine

To calculate: The mean of the binomial distribution of an experiment of rolling a die three times and success is rolling a number divisible by 3.

(c)

To determine

To calculate: The standard deviation of the binomial distribution of an experiment of rolling a die three times and success is rolling a number divisible by 3.

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Answer 5

Chapter 8.3, Problem 22E

(a)

To determine

To calculate: The binomial distribution that describes the experiment of rolling a die three times and success is rolling a number divisible by 3.

(b)

To determine

To calculate: The mean of the binomial distribution of an experiment of rolling a die three times and success is rolling a number divisible by 3.

(c)

To determine

To calculate: The standard deviation of the binomial distribution of an experiment of rolling a die three times and success is rolling a number divisible by 3.

Answer 6

Chapter 8.3, Problem 22E

(a)

To determine

To calculate: The binomial distribution that describes the experiment of rolling a die three times and success is rolling a number divisible by 3.

Answer 7

Chapter 8.3, Problem 22E

(a)

To determine

To calculate: The binomial distribution that describes the experiment of rolling a die three times and success is rolling a number divisible by 3.

Answer 8

(b)

To determine

To calculate: The mean of the binomial distribution of an experiment of rolling a die three times and success is rolling a number divisible by 3.

Answer 9

(b)

To determine

To calculate: The mean of the binomial distribution of an experiment of rolling a die three times and success is rolling a number divisible by 3.

Answer 10

(c)

To determine

To calculate: The standard deviation of the binomial distribution of an experiment of rolling a die three times and success is rolling a number divisible by 3.

Answer 11

(c)

To determine

To calculate: The standard deviation of the binomial distribution of an experiment of rolling a die three times and success is rolling a number divisible by 3.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 8.1 - Determine whether the following experiments...Ch. 8.1 - Prob. 2CP Ch. 8.1 - Determine whether the following experiments...Ch. 8.1 - Prob. 4CP Ch. 8.1 - 1. Suppose a fair die is rolled 18 times. (a) What...Ch. 8.1 - 2. Suppose a fair coin is tossed 12 times. (a)...Ch. 8.1 - 3. If the probability of success on each of 6...Ch. 8.1 - Prob. 4E Ch. 8.1 - 5. Suppose a fair coin is tossed 6 times. What is...Ch. 8.1 - Prob. 6E

The binomial distribution that describes the experiment of rolling a die three times and success is rolling a number divisible by 3 .

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To calculate: The binomial distribution that describes the experiment of rolling a die three times and success is rolling a number divisible by 3.

To calculate: The mean of the binomial distribution of an experiment of rolling a die three times and success is rolling a number divisible by 3.

To calculate: The standard deviation of the binomial distribution of an experiment of rolling a die three times and success is rolling a number divisible by 3.

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