SCENARIO 9-5
A bank tests the null hypothesis that the mean age of the bank's mortgage holders is less than or equal to 45 years,versus an alternative that the mean age is greater than 45 years.They take a sample and calculate a p-value of 0.0202.
-Referring to Scenario 9-5,if the same sample was used to test the opposite one-tail test,what would be that test's p-value?
A)0.0202
B)0.0404
C)0.9596
D)0.9798

Question

Quizplus · Accepted Answer

The p-value for the opposite one-tail test would be 1 - 0.0202 = 0.9798, because the total area under the normal distribution curve is 1, and the p-value for the opposite test would cover the rest of the area not covered by the initial p-value.

SCENARIO 9-5 A Bank Tests the Null Hypothesis That the Mean Age