Home
Class 12
MATHS
Two balls are drawn at random with repla...

Two balls are drawn at random with replacement from a box containing 10 black and 8 red balls. Find the probability that both balls are red.

Text Solution

Verified by Experts

The correct Answer is:
(i) `(16)/(81)`
(ii) `(20)/(81)`
`(40)/(81)`
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    BETTER CHOICE PUBLICATION|Exercise Solved examples (Section V)|11 Videos

  • PROBABILITY

    BETTER CHOICE PUBLICATION|Exercise Solved examples (Section VI)|12 Videos

  • PROBABILITY

    BETTER CHOICE PUBLICATION|Exercise Solved examples (Section III)|6 Videos

  • MATRICES

    BETTER CHOICE PUBLICATION|Exercise Previous years Board Questions for practice |69 Videos

  • RELATIONS AND FUNCTIONS

    BETTER CHOICE PUBLICATION|Exercise PREVIOUS YEARS BOARD.S QUESTIONS FOR PRACTICE |43 Videos

Similar Questions

Explore conceptually related problems

Two balls are drawn at random with replacement from a box containing 10 black and 8 red balls. Find the probability that first ball is black and second is red.

Two balls are drawn at random with replacement from a box containing 10 black and 8 red balls. Find the probability that one of them is black and other is red.

Bag I contains 4 red and 5 black balls and bag II contains 3 red and 4 blacks balls. One ball is transferred from bag I to bag II and then two balls are drawn at random (without replacement) from bag II. The balls so drawn are both found to be black. Find the probability that the transferred ball is black.

A bag contains 10 white, 6 black and 4 red balls. Find the probability of getting : not a red ball

From a bag containing 4 red and 2 white balls two balls are drawn. The probability that both the balls are red is: