SOLUTION: What is the probability that a student taking an introductory statistics class will get an A grade (p=.65) or a b grade (p=.20?

SOLUTION: What is the probability that a student taking an introductory statistics class will get an A grade (p=.65) or a b grade (p=.20?

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Question 356797: What is the probability that a student taking an introductory statistics class will get an A grade (p=.65) or a b grade (p=.20?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
P(A or B)=

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