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0.7(1 - p) + 0.3(p) = 0.6 p= 0.25 Then, ...

0.7(1 - p) + 0.3(p) = 0.6 p= 0.25 Then, the probability that B gets selected is 0.25. Ans. Q. 8. If two events A and B are such that P (A) = • (B) = and P (ANB) = then find P (A' N B') (2019 EN Solution : Here P (AUB) = P(A) + P(B) - P(ANB) 1 1 1 4 2 8 2+4- 1 5 88 P(An B) = P{(AUB)} = - + - - - Now

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