Q. 235.0( 3 Votes )

# Bag I contains 3

Answer :

Given, Two bags are given, in which 3 red and 4 black balls in I bag and 5 Red and 6 black balls in Bag II.

To Find: Find the probability that it was drawn from Bag II.

Explanation: Let us Consider some Assumption

E1=Ball selected in Bag I

E2=Ball selected in Bag II

A=selected Ball is Red

B=selected Ball is Black

Now, We need to find a red ball drawn from bag II.

That means, P(E2|A)

Now,

P(E1)= P(E2)= (A|E2)= Probability of red ball was selected from Bag II

P(A|E2)= P(A|E2)= (A|E1)= Probability of red ball was selected from Bag I

P(A|E1)= P(A|E1)= Now,     Hence, The required probability is Rate this question :

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