Suppose you have 3 jars with the following contents. Jar 1 has 1 white ball and...

Question

Question

Answer 1

Answer #1

No. of jars = 3

Jar 1 has 1 white and 1 black ball

Jar 2 has 4 white and 1 black ball

Jar 3 has 1 white and 1 black ball

Probability for selecting jar 3 = P3 = 1/6

Now to select a white (W) ball out of 1W + 1B ball, probability = Pw = 1/2

Hence, the probability the ball was drawn from Jar 3, given that the ball is white = P3*Pw = (1/6)*(1/2) = (1/12)

Hence, answer = 1/12

Answer 2

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