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If a random sample of 200 test takers is selected find the

Find the indicated probabilities.

Suppose that scores on a national exam are normally distributed, with mean µ = 500 and standard deviation σ = 100. If a random sample of 200 test takers is selected, find the probability that the average score of the sample will be between 500 and 520.

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Basic Statistics: If a random sample of 200 test takers is selected find the

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