Question

A box 'a' contains 2 white, 3 red and 2 black balls.Another box 'b' contains 4 white, 2 red and 3 blackballs. If two balls are drawn at random, withoutreplacement, from a randomly selected box andone ball turns out to be white while the other ballturns out to be red, then the probability that bothballs are drawn from box 'b' is :

Answer 1

two balls is drawn from the box box