Question content area top

Part 1 In a study of 820 randomly selected medical malpractice lawsuits, it was found that 495 of them were dropped or dismissed. Use a 0.01 significance level to test the claim that most medical malpractice lawsuits are dropped or dismissed.

Question content area bottom

Part 1

Which of the following is the hypothesis test to be conducted?

A. H0:p0.5

H1:p=0.5

B. H0:p<0.5

H1:p=0.5

C. H0:p=0.5

H1:p0.5

D. H0:p=0.5

H1:p>0.5

E. H0:p>0.5

H1:p=0.5

F. H0:p=0.5

H1:p<0.5

Part 2

What is the test statistic?

z=enter your response here (Round to two decimal places as needed.)

Part 3

What is the P-value?

P-value=enter your response here (Round to three decimal places as needed.)

Part 4

What is the conclusion about the null hypothesis?

A.

Failtoreject the null hypothesis because the P-value is lessthanorequalto the significance level, .

B. Reject the null hypothesis because the P-value is greaterthan the significance level, .

C. Failtoreject the null hypothesis because the P-value is greaterthan the significance level, .

D. Reject the null hypothesis because the P-value is lessthanorequalto the significance level, .

Part 5

What is the final conclusion?

A. There isnot sufficient evidence to support the claim that most medical malpractice lawsuits are dropped or dismissed.

B. There is sufficient evidence to support the claim that most medical malpractice lawsuits are dropped or dismissed.

C. There is sufficient evidence to warrant rejection of the claim that most medical malpractice lawsuits are dropped or dismissed.

D. There isnot sufficient evidence to warrant rejection of the claim that most medical malpractice lawsuits are dropped or dismissed.