probability that a man will be alive for 25 years is envelopes is 3/5 and the probability of wife alve is 2/5 .find the probability that atleast one will be alive for 25 years
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P(M) =3/5
P(W)=2/3
P(M interaction W) =P(M). P(W)
=3/5*2/3
=2/5
=0.4
ANS
P(W)=2/3
P(M interaction W) =P(M). P(W)
=3/5*2/3
=2/5
=0.4
ANS
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