Home
Class 11
MATHS
There are two identical urns containing ...

There are two identical urns containing respectively 6 black and 4 red balls, 2 black and 2 red balls. An urn is chosen at random and a ball is drawn from it.
if the ball is black, what is the probability that it is from the first urn?

Text Solution

Verified by Experts

The correct Answer is:
`(6)/(11)`
Promotional Banner

Topper's Solved these Questions

  • INTRODUCTION TO PROBABILITY THEORY

    NCERT TAMIL|Exercise Exercise 12.5|24 Videos

  • INTRODUCTION TO PROBABILITY THEORY

    NCERT TAMIL|Exercise Exercise 12.3|19 Videos

  • INTEGRAL CALCULUS

    NCERT TAMIL|Exercise EXERCISE 11.13|25 Videos

  • LIMITS AND DERIVATIVES

    NCERT TAMIL|Exercise Miscellaneous Exercise on Chapter 13|33 Videos

Similar Questions

Explore conceptually related problems

There are two identical urns containing respectively 6 black and 4 red balls, 2 black and 2 red balls. An urn is chosen at random and a ball is drawn from it. (i) find the probability that the ball is black (ii) if the ball is black, what is the probability that it is from the first urn ?

There are two identical boxes containing respectively. 6 black and 4 red balls, 2 black and 2 red balls. An urns is chosen at random and a ball is drawn from it (i)find the probability that the ball is black,(ii)if the ball is black,what is the probability that it is from the first urn?

There are two identical boxes containing respectively 5 white and 3 red balls, 4 white and 6 red balls. A box is chosen at random and a ball is drawn from it (i) find the probability that the ball is white (ii) if the ball is white, what is the probability that it from the first box?

There are two Urns. The first one contains 4 white and 6 blue balls and the other contains 4 white and 5 blue balls. One of the urns is selected at random and a ball is drawn. If the ball drawn is white, find the probability that it is drawn from the first urn.

The contents of urns I, II and III are as follows Urn I: I white, 2 black and 3 red balls Urn II: 2 white, 1 black and 1 red balls Urn III: 4 white, 5 black and 3 red balls. One urn is chosen at random and two balls are drawn. They happen to be white and red. What is the probability that they come from urn I, II or III?

A bag contains 2 red balls and 6 black balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is not red?

A bag contains 6 blue balls and 5 green balls and 2 red balls. A ball is chosen at random. What is the probability of getting a red ball?