Question

A bag contains 5 white and 7 black balls. Anither Bag contains 6 white and 4 black balls. One ball os randomly transferred from first bag to second bag and then a ball is drawn from the second bag. Find the probability that it is a white ball

Answer 1

Step-by-step explanation:

white balls:- W

black balls:- B

First bag:-n(W)=5

n(B)=7