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

Question

Mathematics

Bird

3 December, 09:56

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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Peyton Downs · Answer 1

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