Home
Class 12
MATHS
An urn contains 2 white and 2 black ball...

An urn contains 2 white and 2 black balls. A ball is drawn at random. If it is white, it is not replace into urn, otherwise it is replaced along with another ball of the same colour. The proccess is repeated, find the probability that the third ball drawn is black.

Promotional Banner

Topper's Solved these Questions

  • SAMPLE QUESTION PAPER-VII

    ACCURATE PUBLICATION|Exercise SECTION-D|6 Videos

  • SAMPLE QUESTION PAPER-VII

    ACCURATE PUBLICATION|Exercise SECTION-B|8 Videos

  • SAMPLE QUESTION PAPER-VI

    ACCURATE PUBLICATION|Exercise SECTION C|15 Videos

  • SAMPLE QUESTION PAPER-VIII

    ACCURATE PUBLICATION|Exercise SECTION-D|6 Videos

Similar Questions

Explore conceptually related problems

An urn contains 2 white and 2 black balls. A ball is drawn at random. If its white, it is not replaced into the urn, other wise, it is replaced along the another ball of the same colour. The process is repeated. Find the probability that the third ball is black.

A bag contains 3 white and 5 black balls. A ball is drawn at random. Find the chance that it is a black ball.

An urn contains 9 red, 8 white and 4 black balls. A ball is drawn at random. What is the probability that ball drawn is white or black ?

A urn contains 9 red, 7 white and 4 black balls. A ball is drawn at random. What is the probability that the ball drawn will be: black .

A urn contains 9 red, 7 white and 4 black balls. A ball is drawn at random. What is the probability that the ball drawn will be: white.

A urn contains 9 red, 7 white and 4 black balls. A ball is drawn at random. What is the probability that the ball drawn will be: red .

A urn contains 9 red, 7 white and 4 black balls. A ball is drawn at random. What is the probability that the ball drawn will be: not red.

A urn contains 9 red, 7 white and 4 black balls. A ball is drawn at random. What is the probability that the ball drawn will be: red or black.

A urn contains 9 red, 7 white and 4 black balls. A ball is drawn at random. What is the probability that the ball drawn will be: not black.

A urn contains 9 red, 7 white and 4 black balls. A ball is drawn at random. What is the probability that the ball drawn will be: white or black.