Question: An integer is selected at random from 3 through 17 inclusive. If A is the event that a number divisible by 3 is chosen and

An integer is selected at random from 3 through 17 inclusive. If A is the event that a number divisible by 3 is chosen and B is the event that the number exceeds 10, determine Pr(A), Pr{B), Pr(A ∩ B), and Pr(A U B). How is
Pr(A U B) related to Pr(A), Pr(B), and Pr(A ∩ B)1

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