Multiple Choice
For the following hypothesis test: With n = 80,σ = 9,and
= 47.1,state the conclusion.
A) Because the computed value of z = 3.012 is greater than 2.05,accept the null hypothesis and conclude the mean is greater than 45.Also because the p-value is less than 0.02
B) Because the computed value of z = 3.012 is greater than 2.05,reject the null hypothesis and conclude the mean is greater than 45.Also because the p-value is less than 0.02
C) Because the computed value of z = 2.087 is greater than 2.05,accept the null hypothesis and conclude the mean is greater than 45.Also because the p-value is less than 0.02
D) Because the computed value of z = 2.087 is greater than 2.05,reject the null hypothesis and conclude the mean is greater than 45.Also because the p-value is less than 0.02
Correct Answer:

Verified
Correct Answer:
Verified
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