To write the null and alternative hypotheses you would use to test each of the situations given.

Question

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Answer 1

Question

Chapter 20, Problem 1E

(a)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(a)

Expert Solution

Answer to Problem 1E

H0:p=0.3Ha:p<0.3

Explanation of Solution

It is given in the question that a governor is concerned about his negatives the percentage of state residents who express disapproval of his job performance. Thus, the null hypothesis states that the percentage of state residents who express disapproval of the governor’s job performance is 30% . And the alternative hypothesis states that the percentage of state residents who express disapproval of the governor’s job performance is less than 30% . So, we have,

H0:p=0.3Ha:p<0.3

(b)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(b)

Expert Solution

Answer to Problem 1E

H0:p=0.5Ha:p≠0.5

Explanation of Solution

It is given in the question that the researchers want to find out is the coin fair. Thus, in this situation we can say that the null hypothesis states that the coin’s percentage of heads is equal to 50% . And the alternative hypothesis states that the coin’s percentage of heads is not equal to 50% . So, we have,

H0:p=0.5Ha:p≠0.5

(c)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(c)

Expert Solution

Answer to Problem 1E

H0:p=0.2Ha:p>0.2

Explanation of Solution

It is given in the question that only about 20% of people who try to quit smoking succeed. Sellers of a motivational tape claim that listening to the recorded massages can help people quit. Thus, in this situation we can say that the null hypothesis states that 20% of people who try to quit smoking succeed. And the alternative hypothesis states that more than 20% of people who try to quit smoking succeed. So, we have,

H0:p=0.2Ha:p>0.2

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Answer 2

Question

Chapter 20, Problem 1E

(a)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(a)

Expert Solution

Answer to Problem 1E

H0:p=0.3Ha:p<0.3

Explanation of Solution

It is given in the question that a governor is concerned about his negatives the percentage of state residents who express disapproval of his job performance. Thus, the null hypothesis states that the percentage of state residents who express disapproval of the governor’s job performance is 30% . And the alternative hypothesis states that the percentage of state residents who express disapproval of the governor’s job performance is less than 30% . So, we have,

H0:p=0.3Ha:p<0.3

(b)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(b)

Expert Solution

Answer to Problem 1E

H0:p=0.5Ha:p≠0.5

Explanation of Solution

It is given in the question that the researchers want to find out is the coin fair. Thus, in this situation we can say that the null hypothesis states that the coin’s percentage of heads is equal to 50% . And the alternative hypothesis states that the coin’s percentage of heads is not equal to 50% . So, we have,

H0:p=0.5Ha:p≠0.5

(c)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(c)

Expert Solution

Answer to Problem 1E

H0:p=0.2Ha:p>0.2

Explanation of Solution

It is given in the question that only about 20% of people who try to quit smoking succeed. Sellers of a motivational tape claim that listening to the recorded massages can help people quit. Thus, in this situation we can say that the null hypothesis states that 20% of people who try to quit smoking succeed. And the alternative hypothesis states that more than 20% of people who try to quit smoking succeed. So, we have,

H0:p=0.2Ha:p>0.2

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Answer 3

Question

Chapter 20, Problem 1E

(a)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(a)

Expert Solution

Answer to Problem 1E

H0:p=0.3Ha:p<0.3

Explanation of Solution

It is given in the question that a governor is concerned about his negatives the percentage of state residents who express disapproval of his job performance. Thus, the null hypothesis states that the percentage of state residents who express disapproval of the governor’s job performance is 30% . And the alternative hypothesis states that the percentage of state residents who express disapproval of the governor’s job performance is less than 30% . So, we have,

H0:p=0.3Ha:p<0.3

(b)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(b)

Expert Solution

Answer to Problem 1E

H0:p=0.5Ha:p≠0.5

Explanation of Solution

It is given in the question that the researchers want to find out is the coin fair. Thus, in this situation we can say that the null hypothesis states that the coin’s percentage of heads is equal to 50% . And the alternative hypothesis states that the coin’s percentage of heads is not equal to 50% . So, we have,

H0:p=0.5Ha:p≠0.5

(c)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(c)

Expert Solution

Answer to Problem 1E

H0:p=0.2Ha:p>0.2

Explanation of Solution

It is given in the question that only about 20% of people who try to quit smoking succeed. Sellers of a motivational tape claim that listening to the recorded massages can help people quit. Thus, in this situation we can say that the null hypothesis states that 20% of people who try to quit smoking succeed. And the alternative hypothesis states that more than 20% of people who try to quit smoking succeed. So, we have,

H0:p=0.2Ha:p>0.2

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Answer 4

Question

Chapter 20, Problem 1E

(a)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(a)

Expert Solution

Answer to Problem 1E

H0:p=0.3Ha:p<0.3

Explanation of Solution

It is given in the question that a governor is concerned about his negatives the percentage of state residents who express disapproval of his job performance. Thus, the null hypothesis states that the percentage of state residents who express disapproval of the governor’s job performance is 30% . And the alternative hypothesis states that the percentage of state residents who express disapproval of the governor’s job performance is less than 30% . So, we have,

H0:p=0.3Ha:p<0.3

(b)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(b)

Expert Solution

Answer to Problem 1E

H0:p=0.5Ha:p≠0.5

Explanation of Solution

It is given in the question that the researchers want to find out is the coin fair. Thus, in this situation we can say that the null hypothesis states that the coin’s percentage of heads is equal to 50% . And the alternative hypothesis states that the coin’s percentage of heads is not equal to 50% . So, we have,

H0:p=0.5Ha:p≠0.5

(c)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(c)

Expert Solution

Answer to Problem 1E

H0:p=0.2Ha:p>0.2

Explanation of Solution

It is given in the question that only about 20% of people who try to quit smoking succeed. Sellers of a motivational tape claim that listening to the recorded massages can help people quit. Thus, in this situation we can say that the null hypothesis states that 20% of people who try to quit smoking succeed. And the alternative hypothesis states that more than 20% of people who try to quit smoking succeed. So, we have,

H0:p=0.2Ha:p>0.2

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Answer 5

Chapter 20, Problem 1E

(a)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(a)

Expert Solution

Answer to Problem 1E

H0:p=0.3Ha:p<0.3

Explanation of Solution

It is given in the question that a governor is concerned about his negatives the percentage of state residents who express disapproval of his job performance. Thus, the null hypothesis states that the percentage of state residents who express disapproval of the governor’s job performance is 30% . And the alternative hypothesis states that the percentage of state residents who express disapproval of the governor’s job performance is less than 30% . So, we have,

H0:p=0.3Ha:p<0.3

(b)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(b)

Expert Solution

Answer to Problem 1E

H0:p=0.5Ha:p≠0.5

Explanation of Solution

It is given in the question that the researchers want to find out is the coin fair. Thus, in this situation we can say that the null hypothesis states that the coin’s percentage of heads is equal to 50% . And the alternative hypothesis states that the coin’s percentage of heads is not equal to 50% . So, we have,

H0:p=0.5Ha:p≠0.5

(c)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(c)

Expert Solution

Answer to Problem 1E

H0:p=0.2Ha:p>0.2

Explanation of Solution

It is given in the question that only about 20% of people who try to quit smoking succeed. Sellers of a motivational tape claim that listening to the recorded massages can help people quit. Thus, in this situation we can say that the null hypothesis states that 20% of people who try to quit smoking succeed. And the alternative hypothesis states that more than 20% of people who try to quit smoking succeed. So, we have,

H0:p=0.2Ha:p>0.2

Answer 6

Chapter 20, Problem 1E

(a)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(a)

Expert Solution

Answer to Problem 1E

H0:p=0.3Ha:p<0.3

Explanation of Solution

It is given in the question that a governor is concerned about his negatives the percentage of state residents who express disapproval of his job performance. Thus, the null hypothesis states that the percentage of state residents who express disapproval of the governor’s job performance is 30% . And the alternative hypothesis states that the percentage of state residents who express disapproval of the governor’s job performance is less than 30% . So, we have,

H0:p=0.3Ha:p<0.3

Answer 7

Chapter 20, Problem 1E

(a)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

Answer 8

(a)

Expert Solution

Answer to Problem 1E

H0:p=0.3Ha:p<0.3

Answer 9

(a)

Expert Solution

Answer 10

(a)

Expert Solution

Answer 11

Expert Solution

Answer 12

Explanation of Solution

It is given in the question that a governor is concerned about his negatives the percentage of state residents who express disapproval of his job performance. Thus, the null hypothesis states that the percentage of state residents who express disapproval of the governor’s job performance is 30% . And the alternative hypothesis states that the percentage of state residents who express disapproval of the governor’s job performance is less than 30% . So, we have,

H0:p=0.3Ha:p<0.3

Answer 13

(b)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(b)

Expert Solution

Answer to Problem 1E

H0:p=0.5Ha:p≠0.5

Explanation of Solution

It is given in the question that the researchers want to find out is the coin fair. Thus, in this situation we can say that the null hypothesis states that the coin’s percentage of heads is equal to 50% . And the alternative hypothesis states that the coin’s percentage of heads is not equal to 50% . So, we have,

H0:p=0.5Ha:p≠0.5

Answer 14

(b)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

Answer 15

(b)

Expert Solution

Answer to Problem 1E

H0:p=0.5Ha:p≠0.5

Answer 16

(b)

Expert Solution

Answer 17

(b)

Expert Solution

Answer 18

Expert Solution

Answer 19

Explanation of Solution

It is given in the question that the researchers want to find out is the coin fair. Thus, in this situation we can say that the null hypothesis states that the coin’s percentage of heads is equal to 50% . And the alternative hypothesis states that the coin’s percentage of heads is not equal to 50% . So, we have,

H0:p=0.5Ha:p≠0.5

Answer 20

(c)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

(c)

Expert Solution

Answer to Problem 1E

H0:p=0.2Ha:p>0.2

Explanation of Solution

It is given in the question that only about 20% of people who try to quit smoking succeed. Sellers of a motivational tape claim that listening to the recorded massages can help people quit. Thus, in this situation we can say that the null hypothesis states that 20% of people who try to quit smoking succeed. And the alternative hypothesis states that more than 20% of people who try to quit smoking succeed. So, we have,

H0:p=0.2Ha:p>0.2

Answer 21

(c)

To determine

To write the null and alternative hypotheses you would use to test each of the situations given.

Answer 22

(c)

Expert Solution

Answer to Problem 1E

H0:p=0.2Ha:p>0.2

Answer 23

(c)

Expert Solution

Answer 24

(c)

Expert Solution

Answer 25

Expert Solution

Answer 26

Explanation of Solution

It is given in the question that only about 20% of people who try to quit smoking succeed. Sellers of a motivational tape claim that listening to the recorded massages can help people quit. Thus, in this situation we can say that the null hypothesis states that 20% of people who try to quit smoking succeed. And the alternative hypothesis states that more than 20% of people who try to quit smoking succeed. So, we have,

H0:p=0.2Ha:p>0.2