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QUESTION
An exam is worth 100 points. The score from the class was normally distributed with a mean of 85 and a standard deviation of 5.
An exam is worth 100 points. The score from the class was normally distributed with a mean of 85 and a standard deviation of 5. There are 60 students in the class , so how many of them would score lower than Tom if his z score is -2.0 ?
