Exhibit 9-6 a Random Sample of 100 People Was Taken. Eighty of Eighty

question 78

Multiple Choice

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%.
-If a hypothesis test has a Type I error probability of .05, that means

• A)if the null hypothesis is false, it will not be rejected 5% of the time
• B)if the null hypothesis is false, it will be rejected 5% of the time
• C)if the null hypothesis is true, it will not be rejected 5% of the time
• D)if the null hypothesis is true, it will be rejected 5% of the time