In Exercise 4.128 (p. 219) you read about a nationwide survey which claimed that 60% of parents with young children condone spank ing their child as a regular form of punishment (Tampa Tribune , October 5, 2000). In a random sample of 100 parents with young children, how many parents would need to say that they condone spanking as a form of pun ishment in order to refute the claim?
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