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PLEEAASEE HELP!!! Suppose Q and R are independent events. Find P(Q and R) if P(Q) = 4/5 and P(R) = 4/11. A. 64/55 B. 4/7 C. 16/55 D. 39/55
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PLEEAASEE HELP!!! Suppose Q and R are independent events. Find P(Q and R) if P(Q) = 4/5 and P(R) = 4/11.

A. 64/55

B. 4/7

C. 16/55

D. 39/55

User Eigo
by
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2 Answers

7 votes
It is A. 64/55 4 x 4 64
-- -- =
5 x 11 55
User Neatnick
by
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3 votes
The answer is C. 16/55 because P(Q and R) = P (Q) . P (R) (for independent events Q and R)

So, the prob. is 4/5 * 4/11 = 16/55 = D.
User Damien
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