Question: 1) How large a sample should one select to be 93% confident that the sampling error is 20 or less? Assume that the population standard

1) How large a sample should one select to be 93% confident that the sampling error is 20 or less? Assume that the population standard deviation is 100. A) 490 B) 82 C) 164 D) 245 E) none of the above

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