Mathematics, 21.12.2021 18:20, Crxymia

A nationwide survey claimed that at least 65% of parents with young children condone spanking their child as a regular form of punishment. In a random sample of 100 parents with young children, how many would need to say that they condone spanking as a form of punishment in order to refute the claim at α = 0.5?

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A nationwide survey claimed that at least 65% of parents with young children condone spanking their...