The claim and state H 0 and H 1 .

Question

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Answer 1

Question

Chapter 11.1, Problem 11E

a.

To determine

To identify: The claim and state H0 and H1 .

b.

To determine

To find: The critical value.

c.

To determine

To find: The test statistic.

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of

α=0.02 .

e.

To determine

To interpret: The decision in the context of the original claim.

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30. An individual who has automobile insurance from a certain company is randomly selected. Let Y be the num- ber of moving violations for which the individual was cited during the last 3 years. The pmf of Y isy | 1 2 4 8 16p(y) | .05 .10 .35 .40 .10 a.Compute E(Y).b. Suppose an individual with Y violations incurs a surcharge of $100Y^2. Calculate the expected amount of the surcharge.

24. An insurance company offers its policyholders a num- ber of different premium payment options. For a ran- domly selected policyholder, let X = the number of months between successive payments. The cdf of X is as follows: F(x)=0.00 : x < 10.30 : 1≤x<30.40 : 3≤ x < 40.45 : 4≤ x <60.60 : 6≤ x < 121.00 : 12≤ x a. What is the pmf of X?b. Using just the cdf, compute P(3≤ X ≤6) and P(4≤ X).

59. At a certain gas station, 40% of the customers use regular gas (A1), 35% use plus gas (A2), and 25% use premium (A3). Of those customers using regular gas, only 30% fill their tanks (event B). Of those customers using plus, 60% fill their tanks, whereas of those using premium, 50% fill their tanks.a. What is the probability that the next customer will request plus gas and fill the tank (A2 B)?b. What is the probability that the next customer fills the tank?c. If the next customer fills the tank, what is the probability that regular gas is requested? Plus? Premium?

Answer 2

Question

Chapter 11.1, Problem 11E

a.

To determine

To identify: The claim and state H0 and H1 .

b.

To determine

To find: The critical value.

c.

To determine

To find: The test statistic.

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of

α=0.02 .

e.

To determine

To interpret: The decision in the context of the original claim.

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Answer 3

Question

Chapter 11.1, Problem 11E

a.

To determine

To identify: The claim and state H0 and H1 .

b.

To determine

To find: The critical value.

c.

To determine

To find: The test statistic.

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of

α=0.02 .

e.

To determine

To interpret: The decision in the context of the original claim.

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Answer 4

Question

Chapter 11.1, Problem 11E

a.

To determine

To identify: The claim and state H0 and H1 .

b.

To determine

To find: The critical value.

c.

To determine

To find: The test statistic.

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of

α=0.02 .

e.

To determine

To interpret: The decision in the context of the original claim.

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Answer 5

Chapter 11.1, Problem 11E

a.

To determine

To identify: The claim and state H0 and H1 .

b.

To determine

To find: The critical value.

c.

To determine

To find: The test statistic.

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of

α=0.02 .

e.

To determine

To interpret: The decision in the context of the original claim.

Answer 6

Chapter 11.1, Problem 11E

a.

To determine

To identify: The claim and state H0 and H1 .

Answer 7

Chapter 11.1, Problem 11E

a.

To determine

To identify: The claim and state H0 and H1 .

Answer 8

b.

To determine

To find: The critical value.

Answer 9

b.

To determine

To find: The critical value.

Answer 10

c.

To determine

To find: The test statistic.

Answer 11

c.

To determine

To find: The test statistic.

Answer 12

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of

α=0.02 .

Answer 13

d.

To determine

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of

α=0.02 .

Answer 14

e.

To determine

To interpret: The decision in the context of the original claim.

Answer 15

e.

To determine

To interpret: The decision in the context of the original claim.

Answer 16

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Answer 17

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Answer 18

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Answer 19

Ch. 11.1 - Prob. 1TY Ch. 11.1 - Prob. 2TY Ch. 11.1 - Prob. 3TY Ch. 11.1 - Prob. 1E Ch. 11.1 - When the sign test is used, what population...Ch. 11.1 - Describe the test statistic for the sign test when...Ch. 11.1 - In your own words, explain why the hypothesis test...Ch. 11.1 - Explain how to use the sign test to test a...Ch. 11.1 - List the two conditions that must be met in order...Ch. 11.1 - Prob. 7E

The claim and state H 0 and H 1 .

To identify: The claim and state H0 and H1 .

To find: The critical value.

To find: The test statistic.

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of α=0.02 .

To interpret: The decision in the context of the original claim.

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Chapter 11 Solutions

To decide: Whether to reject or fail to reject the null hypothesis at a level of significance of

α=0.02 .