Student taking operations management

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A student taking Operations Management will receive one of the five possible grades for the course: A, B, C, D, or F. The distribution of grades over the past two years is as follows:

Grad Number of Students

A 85

B 90

C 70

D 55

E ?

If this past distribution is a good indicator of future grades,

a. If there is 20% probability of getting C, what is the probability of getting D?

b. Suppose you already know that the student didn't get A, what is the probability that the student got B

Reference no: EM132286328

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