3 years ago

PLEEAASEE HELP!!! Suppose Q and R are independent events. Find P(Q and R) if P(Q) = 4/5 and P(R) = 4/11.

2 answers:

5 0

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.

zepelin [54]3 years ago

4 0

It is A. 64/55 4 x 4 64
-- -- =
5 x 11 55

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