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An IQ test is designed so that the mean is 100 and the standard deviation is 17 for the population of normal adults. Find the

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An IQ test is designed so that the mean is 100 and the standard deviation is 17 for the population of normal adults. Find the sample size necessary to estimate the mean IQ score of the residents of a state if you want to be 95% confident that the sample mean is within 2 IQ points of the true mean. The required sample size is (Round up to the nearest whole number.)

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