Find the null and alternative hypothesis for proportion 0.50.

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Answer 1

Question

Chapter 6, Problem 42P

a.

To determine

Find the null and alternative hypothesis for proportion 0.50.

b.

To determine

Find the point estimate and p-value.

c.

To determine

State conclusions based on proportion for 1% level of significance.

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One of the reasons health care costs have been rising rapidly in recent years is the increasing cost of malpractice insurance for physicians. Also, fear of being sued causes doctors to run more precautionary tests (possibly unnecessary) just to make sure they are not guilty of missing something. These precautionary tests also add to health care costs. Data in the Excel file provided below are consistent with findings in the Reader's Digest article and can be used to estimate the proportion of physicians over the age of 55 who have been sued at least once. a. Formulate hypotheses that can be used to see if these data can support a finding that more than half of physicians over the age of 55 have been sued at least once. _________<>≤≥=≠ 0.50 _________<>≤≥=≠ 0.50 b. Use the Excel file provided to compute the sample proportion of physicians over the age of 55 who have been sued at least once (to 2 decimals). Calculate the value of the test statistic (to 2…

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Answer 2

Question

Chapter 6, Problem 42P

a.

To determine

Find the null and alternative hypothesis for proportion 0.50.

b.

To determine

Find the point estimate and p-value.

c.

To determine

State conclusions based on proportion for 1% level of significance.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 3

Question

Chapter 6, Problem 42P

a.

To determine

Find the null and alternative hypothesis for proportion 0.50.

b.

To determine

Find the point estimate and p-value.

c.

To determine

State conclusions based on proportion for 1% level of significance.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 6, Problem 42P

a.

To determine

Find the null and alternative hypothesis for proportion 0.50.

b.

To determine

Find the point estimate and p-value.

c.

To determine

State conclusions based on proportion for 1% level of significance.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 6, Problem 42P

a.

To determine

Find the null and alternative hypothesis for proportion 0.50.

b.

To determine

Find the point estimate and p-value.

c.

To determine

State conclusions based on proportion for 1% level of significance.

Answer 6

Chapter 6, Problem 42P

a.

To determine

Find the null and alternative hypothesis for proportion 0.50.

Answer 7

Chapter 6, Problem 42P

a.

To determine

Find the null and alternative hypothesis for proportion 0.50.

Answer 8

b.

To determine

Find the point estimate and p-value.

Answer 9

b.

To determine

Find the point estimate and p-value.

Answer 10

c.

To determine

State conclusions based on proportion for 1% level of significance.

Answer 11

c.

To determine

State conclusions based on proportion for 1% level of significance.

Answer 12

Expert Solution & Answer

Answer 13

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Answer 14

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Answer 15

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Find the null and alternative hypothesis for proportion 0.50.

Solution Summary: The author explains the null and alternative hypothesis for proportion 0.50. The point estimate and p-value are 0.0027.

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Find the null and alternative hypothesis for proportion 0.50.

Find the point estimate and p-value.

State conclusions based on proportion for 1% level of significance.

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Chapter 6 Solutions