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The final exam in a certain course has scores that are normally distributed with a mean of 79.7 with a standard deViation of 5.3. If

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The final exam in a certain course has scores that are normally distributed with a mean of 79.7 with a standard deViation of 5.3. If 28 students are randomly selected, find the probability that the mean of their final exam scores is less than ?8. Round your answer 4 place: after the decimal point

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