Home
Class 11
MATHS
A bag contains 9 discs of which 4 are r...

A bag contains 9 discs of which 4 are red. 3 are blue and 2 are yellow. The discs are similar in shape and size. A disc is drawn at random from the bag.Calculate the probability that it will be (i) red. (ii) yellow, (iii) blue, (iv) not blue,(v) either red or yellow.

Text Solution

AI Generated Solution

To solve the problem step by step, we will calculate the probabilities for each part of the question. ### Given: - Total discs = 9 - Red discs = 4 - Blue discs = 3 - Yellow discs = 2 ...
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    NCERT|Exercise MISCELLANEOUS EXERCISE|10 Videos
  • PROBABILITY

    NCERT|Exercise EXERCISE 16.1|16 Videos
  • PROBABILITY

    NCERT|Exercise EXERCISE 16.3|21 Videos
  • PRINCIPLE OF MATHEMATICAL INDUCTION

    NCERT|Exercise EXERCISE 4.1|24 Videos
  • RELATIONS AND FUNCTIONS

    NCERT|Exercise EXERCISE 2.3|5 Videos

Similar Questions

Explore conceptually related problems

A bag contains 3 red and 5 blue balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is yellow ?

A bag contains 3 red and 5 blue balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is: red?

There are 2 red, 3 white and 5 blue balls in a bag. A ball is drawn at random from the bag. Write the probability of event A that the ball is (i) red (ii) not red.

A box contains 3 blue 2 white and 4 red marbles . If a marble is drawn at random from the box what is the probability that it will be (i) white ? (ii) not blue ?

A bag contains 3 red, 4 black and 5 green balls of the same size. A ball is drawn at random from the bag. What is the probability that the ball drawn is (i) red? (ii) not black? (iii) black ?

A box contain 100 red cards, 200 yellow cards and 50 blue cards. If a card is drawn at random from the box, find the probability that it will be: a blue card

A bag contains 3 red balls,5 black balls and 4 white balls.A ball is drawn at random from the bag.What is the probability that the ball drawn is: (i) white? (ii) red? (iii) black? (iv) not red?

A box contains 100 red cards,200 yellow cards and 50 blue cards.If a card is drawn at random from the box,then find the probability that it will be (i) a blue card (ii) not a yellow card (iii) neither yellow nor a blue card.

A bag A contains 2 white and 3 red balls and a bag B contains 4 white and 5red 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.

NCERT-PROBABILITY-SOLVED EXAMPLES
  1. Find the sample space associated with the experiment of rolling a p...

    Text Solution

    |

  2. In a relay race there are five teams A. B, C. D and E. (a)  What is ...

    Text Solution

    |

  3. Find the probability that when a hand of 7 cards is drawn from a well...

    Text Solution

    |

  4. On her vacations Veena visits four cities (A , B , C a n d D)in a rand...

    Text Solution

    |

  5. A committee of two persons is selected from two men and two women. Wh...

    Text Solution

    |

  6. Two students Anil and Ashima appeared in an examination. The probabil...

    Text Solution

    |

  7. A bag contains 9 discs of which 4 are red. 3 are blue and 2 are yello...

    Text Solution

    |

  8. One card is drawn from a well shuffled deck of 52 cards. If each outc...

    Text Solution

    |

  9. If A, B, C are three events associated with a random experiment prove...

    Text Solution

    |

  10. A coin is tossed three times, consider the following events. A : No h...

    Text Solution

    |

  11. Let a sample space be S = {omega1,omega2, .... ,omega6}. Which of the ...

    Text Solution

    |

  12. A coin is tossed. If it shows head, we draw a ball from a bag consist...

    Text Solution

    |

  13. Consider the experiment in which a coin is tossed repeatedly until a ...

    Text Solution

    |

  14. Consider the experiment of rolling a die. Let A be the event 'getting...

    Text Solution

    |

  15. Two dice are thrown and the sum of the numbers which come up on the d...

    Text Solution

    |

  16. Two coins (a one rupee coin and a two rupee coin) are tossed once. Fi...

    Text Solution

    |

  17. Find the sample space associated with the experiment of rolling a pai...

    Text Solution

    |

  18. In each of the following experiments specify appropriate sample space...

    Text Solution

    |