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

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04-08-2017
Mathematics

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

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jimthompson5910 jimthompson5910 · Answer 1 · 2017-08-04T05:51:44+02:00

jimthompson5910 jimthompson5910

04-08-2017

Since Q and R are independent, this means P(Q and R) = P(Q)*P(R)

P(Q and R) = P(Q)*P(R)
P(Q and R) = (4/5)*(4/11)
P(Q and R) = (4*4)/(5*11)
P(Q and R) = 16/55

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