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Mean gmat score of mean of the sample

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Find the probability that the mean GMAT score of mean of the sample pf 25 examinees is less than 480? Find the probability that exactly 10 out of 25 selected examinees achieved a score greater than 420.

Reference no: EM131044839

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Mean gmat score of mean of the sample : Find the probability that the mean GMAT score of mean of the sample pf 25 examinees is less than 480? Find the probability that exactly 10 out of 25 selected examinees achieved a score greater than 420.
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