Question: Answer b Current Attempt in Progress Your twenty observations of Dr. Knowitall reveal the following information, Assume that the estimate is to be within 7

Answer b

Current Attempt in Progress Your twenty observations of Dr. Knowitall reveal the following information, Assume that the estimate is to be within 7 percent of the true proportion 95.5 percent of the time. Number of Times Activity Observed Observed With patient Reviewing test results P On phone ON Idle Away on emergency N Not available UT Total 20 (a) Your answer is correct. Calculate the sample size needed to estimate the proportion of time Dr. Knowitall spends away on emergencies. Round your answer to the whole number, the tolerance is +/-1.) Sample size needed is 74 eTextbook and Media Attempts: 2 of 3 used (b) Calculate the sample size needed to estimate the proportion of time Dr. Knowitall spends reviewing test results. (Round your answer to the whole number, the tolerance is +/-1.) Sample size needed is eTextbook and Media e for Later

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