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?

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10 August, 09:08

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Skyler Franklin · Answer 1

Skyler Franklin 10 August, 09:37

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A.) 0.63

B.) 0.69

C.) 0.14