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Assume that the student test scores for a nationwide standardized test have an unknown distribution but have a mean of 2 4 3 and a

Assume that the student test scores for a nationwide standardized test have an unknown distribution but have a mean of

243

and a standard deviation of

34 .

A sample of size n

= 40

is randomly taken from the population. What is the probability that the sum of the scores in this sample is less than

9522 ?

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