An english instructor gave a final exam and found a mean

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An English instructor gave a final exam and found a mean score of 73 points and a standard deviation of 5.8 points. assume that a normal model can be applied.

a. What is the probability that a randomly selected student made an A? (scored 90 or above)

b. What is the probability that a randomly selected student will fail?

Reference no: EM13644829

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