Home
Class 12
MATHS
An urn contains 4 white and 3 rd balls. ...

An urn contains 4 white and 3 rd balls. Find the probability distribution of the number of red alls in a random draw of three balls.

Text Solution

Verified by Experts

The correct Answer is:
`P(0)=(64)/(343),P(1)=(144)/(343),P(2)=(108)/(343),P(3)=(27)/(343)`.
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    MODERN PUBLICATION|Exercise EXERCISE 13 (f) (SATQ)|2 Videos

  • PROBABILITY

    MODERN PUBLICATION|Exercise EXERCISE 13 (f) (LATQ I)|10 Videos

  • PROBABILITY

    MODERN PUBLICATION|Exercise EXERCISE 13 (e) (SATQ)|10 Videos

  • MATRICES

    MODERN PUBLICATION|Exercise CHAPTER TEST (3)|12 Videos

  • RELATIONS AND FUNCTIONS

    MODERN PUBLICATION|Exercise CHAPTER TEST (1)|12 Videos

Similar Questions

Explore conceptually related problems

An urn contains 4 white and 3 red balls.Find the probability distribution of the number of red balls in a random draw of three balls.

An urn contains 4 white and 3 red balls.Let X be the number of red balls in a random draw of three balls.Find the mean and variance of X.

An urn contians 4 white and 3 red balls. Let X be the number of red balls in a random draw of 3 balls. Find the mean and variance of X.

An urn contains 3 white and 6 red balls.Four balls are drawn one by one with replacement from the urn.Find the probability distribution of the number of red balls drawn.Also find mean and variance of the distribution.

An urn contains 4 white and 6 red balls.Four balls are drawn at random from the urn.Find the probability distribution of the number of white balls.

An urn contains 4 white and 6 red balls.Four balls are drawn at random from the urn.Find the probability distribution of the number of white balls.

A bag contains 4 red and 6 black balls.Three balls are drawn at random.Find the probability distribution o the number of red balls.

Find the probability distribution of the number of white balls drawn in a random draw of 3 balls without replacement,from a bag containing 4 white and 6 red balls.

A bag A contains 2 white and 3 red balls and a bag B contains 4 white and 5 red and balls. One ball is drawn at random from one of the bags and is found to be red. Find the probability that it was drawn as red.