Each of four persons fires one shot at a target. Let C k denote the event that

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Each of four persons fires one shot at a target. Let Ck denote the event that the target is hit by person k, k = 1, 2, 3, 4. If C1, C2, C3, C4 are independent and if P(C1) = P(C2) = 0.7, P(C3) = 0.9, and P(C4) = 0.4, compute the probability that 

(a) All of them hit the target

(b) Exactly one hits the target

(c) No one hits the target

(d) At least one hits the target.

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Introduction To Mathematical Statistics

ISBN: 9780321794710

7th Edition

Authors: Robert V., Joseph W. McKean, Allen T. Craig

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