jitender lakhanpal
Last Activity: 11 Years ago
hi ramit
there would be 2 cases
1) when A will be selected and not B OR 2) when B will be selected not A
then applying AND ,OR principle
P(A) . P(Bbar) + P(Abar) P(B)
P(A) = 1/3 P(B) = 2/5
P(Abar) = 2/3 P(Bbar) = 3/5
put them in the equation.
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Jitender
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