Assume the only grades possible in a history course are a, b, c, or lower than

c. the probability that a randomly selected student will get an a in the course is 0.46 , the probability that a student will get a b in the course is 0.17 , and the probability that a student will get a c in the course is 0.23.

a. what is the probability that a student will get an a or a b?

b. what is the probability that a student will get an a or a b or a c?

c. what is the probability that a student will get a grade lower than a c?

Question

Payton Santos

14 July, 18:38

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Answers (1)

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Kolten Hopkins · Answer 1

Kolten Hopkins 14 July, 20:16

0

A.) 0.63

B.) 0.69

C.) 0.14