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An IQ test is designed so that the mean is 100 and the standard deviation is 18 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 18 for the population of normal adults. Find the sample size necessary to estimate the mean I score of statistics students such that it can be said with 95% confidence that the sample mean is within 7 10 points of the true mean. Assume that o = 18 and determine the required sample size using technology. Then determine if this is a reasonable sample size for a real world calculation The required sample size is (Round up to the nearest integer)

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