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The SPCA wants to estimate the proportion of children that have a dog as a pet. They want the estimate to be within 3%

The SPCA wants to estimate the proportion of children that have a dog as a pet. They want the estimate to be within 3% of the population proportion, the desired level of confidence is 95% and no estimate is available for the population proportion. What is the required sample size? a) 11 b) 1068 c) 752 d) 124

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