in two independent events the probability of happening one event is 2 by 7 and probability of happening of second event is 1 by 5 .find the probability of happening of both events.
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total no. of possible outcomes=12
p(one event) =2
p(second event) =1
p(both events) =1+2/12
p(both events) =3/12or1/4
p(one event) =2
p(second event) =1
p(both events) =1+2/12
p(both events) =3/12or1/4
mahirasiddique:
wrong ans
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