Find the probability that the mean aptitude test score for, Ask an Expert

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Assume that the mean score on a certain aptitude test across the nation is 100, and that the standard deviation is 20 points. Find the probability that the mean aptitude test score for a randomly selected group of 150 8th graders is between 101.5 and 98.5.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9115219

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