Wipro Company Numerical Ability Probability

if P(A) = p and P(B)=q,then P(A`UB`)(when A and B is independent) is
a)pq b)(1-p)(1-q) c)1-pq d)none

Read Solution (Total 1)

here An B are independent so,
P(A intersection B)=p(a)p(b)=pq
p(a U b)=p+q+pq
p(a' U b')=1-(p+q+pq)
=1-p-q-pq=(1-p)(1-q)
so ans is=b
10 years agoHelpfull: Yes(0) No(1)

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