Probability

⭐ Important Questions

1. Bag A: 2R+3B balls. Bag B: 3R+2B balls. Bag chosen randomly, ball drawn. Find P(red).
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   P(R) = P(A)P(R|A) + P(B)P(R|B)\n= 12(25) + 12(35) = 12
2. Find P(A|B) if P(A)=0.5, P(B)=0.4, P(A∩B)=0.2.
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   P(A|B) = P(A∩B)P(B) = 0.20.4 = 0.5