Mathematics, 28.01.2020 10:31 kperez1186
Amedical researcher wants to determine the percentage of females who take vitamins. he wishes to be 99% confident the estimate is within 2% points of the true proportion. a recent study of 180 females showed that 25% took vitamins.
a) how large should the sample size be?
b) if no estimate of the sample proportion is available how large should the sample be?
Answers: 3
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Amedical researcher wants to determine the percentage of females who take vitamins. he wishes to be...
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