In a study of 822 randomly selected medical malpractice​ lawsuits, it was found that 472 of them were dropped or dismissed. Use a 0.05 significance level to test the claim that most medical malpractice lawsuits are dropped or dismissed.   Which of the following is the hypothesis test to be​ conducted?   A. H0: p<0.5 H1: p=0.5   B. H0: p=0.5 H1: p<0.5   C. H0: p=0.5 H1: p>0.5   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 What is the test​ statistic?   z=nothing ​(Round to two decimal places as​ needed.) What is the​ P-value?   ​P-value=nothing ​(Round to three decimal places as​ needed.) What is the conclusion about the null​ hypothesis?   A. Reject the null hypothesis because the​ P-value is less than or equal to the significance​ level, α.   B. Fail to reject the null hypothesis because the​ P-value is greater than the significance​ level, α.   C. Fail to reject the null hypothesis because the​ P-value is less than or equal to the significance​ level, α.   D. Reject the null hypothesis because the​ P-value is greater than the significance​ level, α. What is the final​ conclusion?   A. There is not sufficient evidence to warrant rejection of 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 is not sufficient evidence to support the claim that most medical malpractice lawsuits are dropped or dismissed.

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In a study of

822

randomly selected medical malpractice​ lawsuits, it was found that

472

of them were dropped or dismissed. Use a

0.05

significance level to test the claim that most medical malpractice lawsuits are dropped or dismissed.

 

Which of the following is the hypothesis test to be​ conducted?
 
A.
H0: p<0.5
H1: p=0.5
 
B.
H0: p=0.5
H1: p<0.5
 
C.
H0: p=0.5
H1: p>0.5
 
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
What is the test​ statistic?
 
z=nothing
​(Round to two decimal places as​ needed.)
What is the​ P-value?
 
​P-value=nothing
​(Round to three decimal places as​ needed.)
What is the conclusion about the null​ hypothesis?
 
A.
Reject
the null hypothesis because the​ P-value is
less than or equal to
the significance​ level,
α.
 
B.
Fail to reject
the null hypothesis because the​ P-value is
greater than
the significance​ level,
α.
 
C.
Fail to reject
the null hypothesis because the​ P-value is
less than or equal to
the significance​ level,
α.
 
D.
Reject
the null hypothesis because the​ P-value is
greater than
the significance​ level,
α.
What is the final​ conclusion?
 
A.
There
is not
sufficient evidence to warrant rejection of 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
is not
sufficient evidence to support the claim that most medical malpractice lawsuits are dropped or dismissed.
 
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