3
QuizMultiple Choice
Preparing to Test a Claim about a Population Proportion
Question 3 • AQR_A_IC
It is believed that 80% of adults are honest. An honesty experiment was conducted on a random sample of 50 adults. It was discovered that 42 of the adults were honest. The researcher would like to know if the data provide convincing evidence that more than 80% of adults are honest. The standardized test statistic is z = 0.71 and the P-value is 0.2389. What conclusion should be made using the = 0.10 significance level?
Answer
A
Because the P-value is greater than = 0.10, there is convincing evidence that more than 80% of adults are honest.B
Because the P-value is greater than = 0.10, there is not convincing evidence that more than 80% of adults are honest.C
Because the test statistic is greater than = 0.10, there is convincing evidence that more than 80% of adults are honest.D
Because the test statistic is greater than = 0.10, there is not convincing evidence that more than 80% of adults are honest.