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The Kennel Club wants to estimate the proportion of children that have a dog as a pet. Assume a 95% level of confidence and that

The Kennel Club wants to estimate the proportion of children that have a dog as a pet. Assume a 95% level of confidence and that the club estimates that 30% of the children have a dog as a pet. If the club wants the estimate to be within 3% of the population proportion, how many children would they need to contact?

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