Course grades choose a student at random from all who took


Question: Course grades. Choose a student at random from all who took Math 101 in recent years. The probabilities for the student's grade are

Grade:           A        B       C       D       F

Probability:    0.2     0.4     0.2    0.1      ?

(a) What must be the probability of getting an F?

(b) To simulate the grades of randomly chosen students, how would you assign digits to represent the five possible outcomes listed?

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