A nationwide survey claimed that at least 55% of parents with young children condone spanking their child asa regular form of punishment. In a random sample of 100 parents with young children, how many would needto say that they condone spanking as a form of punishment in order to refute the claim at α = 0.5?
A) You would need 46 or less parents to support spanking to refute the claim.
B) You would need exactly 46 parents to support spanking to refute the claim.
C) You would need 47 or less parents to support spanking to refute the claim.
D) You would need more than 46 parents to support spanking to refute the claim.

Question

Quizplus · Accepted Answer

To refute the claim that at least 55% condone spanking, you need fewer than 55 parents in the sample of 100 to support spanking. Since 55% of 100 is 55, having 46 or fewer parents supporting spanking would refute the claim.

A Nationwide Survey Claimed That at Least 55% of Parents