Mean aptitude test score, Find the probability that the

Mean aptitude test score

Reference no: EM13100366

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 98 and 102.

Reference no: EM13100366

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