Critical value: z = 2.33. Fail to reject null hypothesis. There is not sufficient evidence to support the claim
that more than half of all those using the drug experience relief.
-A random sample of 139 forty-year-old men contains 26% smokers. Find the P-value for a test to reject the claim that the percentage of forty-year-old men that smoke is 22%.
A) 0.1401
B) 0.2542
C) 0.2802
D) 0.1271

Question

Quizplus · Accepted Answer

The Answer of Critical value: z = 2.33. Fail to reject null hypothesis. There is not sufficient evidence to support the claim
that more than half of all those using the drug experience relief.
-A random sample of 139 forty-year-old men contains 26% smokers. Find the P-value for a test to reject the claim that the percentage of forty-year-old men that smoke is 22%.
A) 0.1401
B) 0.2542
C) 0.2802
D) 0.1271

Critical Value: Z = 2