Exhibit 9-6
A random sample of 100 people was taken. Eighty of the people in the sample favored Candidate A. We are interested in determining whether or not the proportion of the population in favor of Candidate A is significantly more than 75%.
-The rejection region for a one-tailed hypothesis test
A)has an area of 1 - $\alpha$
B)has an area equal to the confidence coefficient
C)is in the tail that supports the null hypothesis
D)is in the tail that supports the alternative hypothesis

Question

Quizplus · Accepted Answer

The rejection region for a one-tailed hypothesis test is in the tail that supports the alternative hypothesis, which in this case is that the proportion of the population in favor of Candidate A is significantly more than 75%. Therefore, choice D is the correct answer.

Exhibit 9-6 a Random Sample of 100 People Was Taken α\alphaα

Exhibit 9-6
a Random Sample of 100 People Was Taken $\alpha$