Home
Class 12
MATHS
Bag A contains 4 white and 7 black balls...

Bag A contains 4 white and 7 black balls. Bag B contains 5 white and 6 black balls. A die is rolled . If 2 or 5 turns up then choose bag A otherwise choose bag B. If one ball is drawn at random from the selected bag, then find the probability that it is black.

Text Solution

Verified by Experts

The correct Answer is:
`(19)/(33)`
Promotional Banner

Similar Questions

Explore conceptually related problems

Bag A contains 6 black and 5 white balls. Bag B contain 4 black and 7 white balls. A die is rolled . If 2 or 5 turns up , then choose bag A otherwise choose bag B. If one ball is drawn from the selected bag.The probability that it is black is

Bag A contains 8 black and 5 balls. Contain 6 black and 7 white balls. A die is rolled . If 2 or 5 turns up , then choose bag a otherwise choose bag B. If one ball is drawn from the selected bag, the probability that it is black is

Bag A contains 4 white and 3 black balls. Bag B contains 3 white and 2 black balls. One ball is transferred from bag A to bag B. Now one ball is drawn from bag B. Find the probability that it is white.

A bag contains 5 red, 8 white and 7 black balls. A ball is drawn at random from the bag. Find the probability that the drawn ball is not black

Bag A contains 4 white, 3 black balls. Bag B contains 3 white and 5 black balls. One ball is drawn from each bag. The probability that both are black is

A bag contains 8 red, 6 white and 4 black balls. A ball is drawn at random from the bag. Find the probability that the drawn ball is not black.

Bag A contain 4 white and 5 blank balls. Bag B contains 5 white and 6 black balls. One bag is selected at random and a ball is drawn from it. The probability that is is white is

Bag A contains 4 white, 3 black balls. Bag B contains 3 white ad 5 black balls. One ball is drawn from each bag. The probability that one is white and one is black is