. Refer to the previous problem. The researchers wanted a sufficiently large sample to be able to...
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. Refer to the previous problem. The researchers wanted a sufficiently large sample to be able to estimate the probability of preferring the new analgesic to within .08, with confidence .95. If the true probability is .75, how large a sample is needed to achieve this accuracy? (Hint: How large should N be so that a 95% confidence interval has plus and minus term equal to .08?)
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