Question: A math professor teaches two statistics classes. He gives each class an exam. Class A has a mean of = 81 with standard deviation =6

A math professor teaches two statistics classes. He gives each class an exam.

Class A has a mean of = 81 with standard deviation =6

Class B has a mean of = 81 with standard deviation =12

Which of these classes has a greater percentage of F's (grades under 60)

Explain your answer briefly.

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