Home
Class 11
MATHS
A bag contains 7 red and 4 black balls, ...

A bag contains 7 red and 4 black balls, 3 balls drawn at random. Find the probability that
(i) all are red
(ii) one red and 2 black.

Promotional Banner

Topper's Solved these Questions

  • INTRODUCTION OF PROBABILITY THEOREM

    SURA PUBLICATION|Exercise EXERCISE 12.2|6 Videos

  • INTRODUCTION OF PROBABILITY THEOREM

    SURA PUBLICATION|Exercise EXERCISE 12.3|12 Videos

  • INTEGRAL CALCULUS

    SURA PUBLICATION|Exercise Section - D (5 marks)|3 Videos

  • MATRICES AND DETERMINANTS

    SURA PUBLICATION|Exercise ADDITIONAL PROBLEMS SECTION -D (5 MARK )|3 Videos

Similar Questions

Explore conceptually related problems

A bag contains 5 white and 7 black balls,3 balls are drawn at random.Find the probability that (i)all are white,(ii)one white and two black.

An urn contains 10 red and 8 white balls. One ball is drawn at random. Find the probability that the ball drawn is white .

One bag contains 5 white and 3 black balls.Another bag contains 4 white and 6 black balls, If one ball is drawn from each bag, find the probability that (i)both are white (ii)both are black(iii)one white and one black.

A bag contains 2 red balls and 4 black balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is red?

One bag contains 5 white and 3 black balls, Another bag contains 4 white and 6 black balls. If one ball is drawn from each bag, find the probability that (i) both are white (ii) both are black (iii) one white and one black.

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 contain n white and n black balls, all of equal size. Balls are drawn at random. Find the probability that there are both white and black balls in the draw and that the number of white balls is greater than that of black balls by 1.