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Mathematics, 21.07.2020 01:01 anthony3913
If nothing is known about p, 0.5 can be substituted for p in the sample-size formula for a population proportion. But when this is done, the resulting sample size may be larger than needed. Under what circumstances will using pequals0.5 in the sample-size formula yield a sample size larger than needed to construct a confidence interval for p with a specified bound and a specified confidence level? Choose the correct choice below. A. Only when p equals 0.5 B. Whenever p is different from 0.5 C. Only when p equals 0 D. Only when p equals 1
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