Each of four persons named 1234 fires one shot at a target

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Reference no: EM13640678

Each of four persons, named 1,2,3,4 fires one shot at a target. Let Ak denote the event that person K hits the target,where K=1,2,3,4. Assume A1,A2,A3,A4, are independent events .If P(A1)=0.7 , P(A2)=0.7 , P(A3)=0.9 , P(A4)=0.4, find the probability that

(a) all of the persons hit the target

(b) exactly one person his the target

(d) at least one person hits the target

(e) Are events A1 and A4 mutually exclusive?

Reference no: EM13640678

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