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QUESTION 4 The marks on an exam are normally distributed and have a standard deviation of 3.8. If the probability of a score being

QUESTION 4 The marks on an exam are normally distributed and have a standard deviation of 3.8. If the probability of a score being less than 29 is 0.85, determine the mean of the scores on the exam. 28 22 25 20 -- out of 1 Previous page Next page

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