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Assume that the student test scores for a nationwide standardized test have an unknown distribution but have a mean of243 and a standard deviation of34

Assume that the student test scores for a nationwide standardized test have an unknown distribution but have a mean of243

and a standard deviation of34

. A sample of sizen=40

is randomly taken from the population. What is the probability that the sum of the scores in this sample is less than9522

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