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(Solved): In a large population of college-educated adults, the mean IQ is 112 with standard deviation 25 . Su ...



In a large population of college-educated adults, the mean IQ is 112 with standard deviation 25 . Suppose 300 adults from this population are randomly selected for a market research eampaign. The probability that the sample mean 1 Q is greater than 115 is a. 0.019 . b. 0.452 . c. 0.528 . d. 0.981 .



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