A researcher at a major clinic wishes to estimate the proportion of the adult population of the US that has sleep deprivation. How large a sample is needed in order to be a 95% confident that the sample proportion will not differ from the true proportion by more than 4%?

a) 601
b) 1201
c) 423
d) 13

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9 years ago

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Answer: B) 1201

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A researcher at a major clinic wishes to estimate the proportion of the adult population of the US that has sleep deprivation. How large a sample is needed in order to be a 95% confident that the sample proportion will not differ from the true proportion by more than 4%?
a) 601
b) 1201
c) 423
d) 13

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45 Answer: B) 1201