In a mathematics exam the average grade was 82 and the

Assignment Help Basic Statistics

Reference no: EM13347495

In a mathematics exam the average grade was 82 and the standard deviation was 5. All students with grade between 88 to 94 received grade of B. if the grade are approximately normally distributed and 8 students received a B grade , how many students took the exam?

Reference no: EM13347495

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