Three boxes numbered I, II, III contain the ball as follows

One box is randomly selected and a ball is drawn from it. If the ball is red, then find the probability that it is from box Il.

Three boxes numbered I,II,III contains the balls as follows : One box is randomly selected and a ball is drawn from it . If the ball is red , then find the probability that it is from box II .

Three boxes numbered I,II,III contain the balls as follows. One box is randomly selected and a ball is drawn from it. If the ball is red, then find the probability that it is from box II.

Three boxes numbered, I, II, III contain balls as follows {:(,"White","Black","Red"),(I, 1,2,3),(II, 2,1,1),(III, 4 ,5, 3):} One box is randomly selected and a ball is drawn from it. If the ball is red, then the probability that it is from box II.

Fpr L=1,2,3 the box B_k contains k red balls and (k+1) white balls . Let P(B_1) =1/2 , P(B_(2))=1/3 ,P(B_3)=1/6 . A box is selected at random and a ball is drawn from it . If a red ball is drawn, then the probability that it has come from box B_2 is

A bag contains 7 red, 5 white and 6 black balls. A ball is drawn from the bag at random, find the probability that the ball drawn is not black.

Three bags contains 3 red, 4 black balls, 4 red, 5 black balls, 5 red , 2 black balls. If one bas is selected at random and a ball is drawn from it then the probability that it is red is

A bag contains 4 black balls and 6 red balls. One ball is drawn at random. The probability that it is red is

Box A contains 2 black and 3 red balls, while box B contains 3 black and 4 red balls . Out of these two boxes one is selected at random, and the proability of choosing box A is double that of box B. if a red ball is drawn from the selected box then the proability that is has come from box B is