maisielavoie23 maisielavoie23

20-08-2018
Mathematics

contestada

PLEASE HELP! Suppose Q and R are independent events. Find P(Q and R) if P(Q) = 4/7 and P(R) = 1/2

A. 2/7

B. 15/14

C. 5/7

D. 15/28

Respuesta :

benpasttense benpasttense

20-08-2018

For indepent events Q and R,

P(Q and R) = P(Q) * P(R).

Thus, in this problem,

P(Q and R) = P(Q) * P(R) = (4/7) * (1/2) = 4/14 = 2/7.

So the answer is d

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