Home
Class 12
MATHS
A bag contains 9 balls of which 4 are re...

A bag contains 9 balls of which 4 are red, 3 are white and 2 are green. If a ball is drawn at random, then
i. calculate the probability that it is not white.
ii. it is either white or green.

Text Solution

Verified by Experts

The correct Answer is:
i. `(2)/(3)`, ii. `(5)/(9)`
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    NEW JOYTHI PUBLICATION|Exercise EXERCISE|41 Videos
  • PROBABILITY

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|20 Videos
  • PROBABILITY

    NEW JOYTHI PUBLICATION|Exercise OBJECTIVE TYPE QUESTIONS AND SOLUTIONS|20 Videos
  • PRINCIPLES OF MATHEMATICAL INDUCTION

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|4 Videos
  • RELATIONS AND FUNCTIONS

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|33 Videos

Similar Questions

Explore conceptually related problems

A bag contains 15 balls, some are red and others are white. If a ball is drawn at random from the bag, the probability that it is red is 1/5 . Find the number of white balls in the bag.

An urn contains nine balls of which three are red, four are blue and two are green. Three balls are drawn at random without replacement from the urn. The probability that the three balls have different colour is

A box contains 3 blue, 2 white, and 4 red marbles. If a marble is selected at random from the box, what is the probability that it will be (i) white? (ii) blue? (iii) red?

A bag contains 3 red , 3 white and 3 green balls. One ball is taken out of the bag at random. What is the probability that the ball drawn is - red.

A bag contains 3 red, 3 white and 3 green balls. One ball is taken out of the bag at random. What is the probability that the drawn is either red or white.

A box contains 24 identical balls of which 12 are white and 12 are black. The balls are drawn at random from the box one at a time with replacement. The probability that a white ball is drawn for the 4th time on the 7th draw is (a) 5/64 (b) 27/32 (c) 5/32 (d) 1/2

A bag contains 3 red , 3 white and 3 green balls. One ball is taken out of the bag at random. What is the probability that the ball drawn is - either red or white.

A bag contains 3 red, 3 white and 3 green balls. One ball is taken out of the bag at random. What is the probability that the drawn is not red

NEW JOYTHI PUBLICATION-PROBABILITY-EXAMPLES
  1. A coin is tossed twice, what is the probability that atleast one tail ...

    Text Solution

    |

  2. A card is selected from a pack of 52 cards. a. How many points are t...

    Text Solution

    |

  3. A bag contains 9 balls of which 4 are red, 3 are white and 2 are green...

    Text Solution

    |

  4. A die is thrown, find the probability of following events: i. A prim...

    Text Solution

    |

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

    Text Solution

    |

  6. A bag contains 5 white, 6 black and 6 yellow balls. 3 balls are drawn ...

    Text Solution

    |

  7. A bag contains 3 white, 4 black and 2 yellow balls. 2 balls are drawn ...

    Text Solution

    |

  8. A box contains 6 red, 5 blue and 4 green balls. 3 balls are drawn from...

    Text Solution

    |

  9. Three coins are tossed once. Find the probability of getting  i. 3 h...

    Text Solution

    |

  10. Given P(A)= (3)/(5) and P(B) =(1)/(5) Find P(A or B), if A and B are ...

    Text Solution

    |

  11. If (2)/(11) is the probability of an event, what is the probability ...

    Text Solution

    |

  12. One card is drawn from a well shuffled deck of 52 cards. If each outco...

    Text Solution

    |

  13. If P(A) = 0.5, P(B) = 0.2, then find P(A U B)' (Given that A and B are...

    Text Solution

    |

  14. If A and B are two events of a random experiment such that P(A) = (1)/...

    Text Solution

    |

  15. If A and B are events such that P(A)=(1)/(5), P(B) =(1)/(3) and "P(A ...

    Text Solution

    |

  16. A and B are two events such that P(A) = 0.5, P(B) = 0.6 and P(A cap B)...

    Text Solution

    |

  17. A bag contains 9 discs of which 4 are red, 3 are blue and 2 are yellow...

    Text Solution

    |

  18. Two students A and B, appeared in an examination. The probability that...

    Text Solution

    |

  19. Two students Anil and Ashima appeared in an examination. The probabili...

    Text Solution

    |

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

    Text Solution

    |