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

Two balls are drawn at random with replacement from a box containing 10 black and 8 red balls. Find the probability that (i) both balls are red. (ii) first ball is black and second is red. (iii) one of them is black and other is red.

Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    MODERN PUBLICATION|Exercise NCERT-FILE (Exercise 13.3)|14 Videos

  • PROBABILITY

    MODERN PUBLICATION|Exercise NCERT-FILE (Exercise 13.4)|17 Videos

  • PROBABILITY

    MODERN PUBLICATION|Exercise NCERT-FILE (Exercise 13.1)|17 Videos

  • MATRICES

    MODERN PUBLICATION|Exercise CHAPTER TEST (3)|12 Videos

  • RELATIONS AND FUNCTIONS

    MODERN PUBLICATION|Exercise CHAPTER TEST (1)|12 Videos

Similar Questions

Explore conceptually related problems

Two balls are drawn at a random with replacement from a box containing 10 black and 8 red balls. Find the probability that i. both the balls are red. Ii. first ball is black and second is red. iii. One of them is black and other is red.

wo balls are drawn at random with replacement a box contai ining 10 black and 8 from balls.Find the probability that (i both balls are red,(ii) first ball is black and red,(iii) one of them is black and other is red.

A bag contains 4 black balls and 6 red balls. One ball is drawn at random.The probability that it is red is

There are 5 black and 4 red balls ina bag. Two balls are drawn at random. Find the probability that both balls are red.

A bag contains 5 white,7 black and 4 red balls.Find the probability (i) three balls drawn are white (ii) two balls drawn are one red and one white (iii)one ball is drawn is either red or black

A bag contains 7 white,5 black and 4 red balls.If two balls are drawn at random,find the probability that: (i) both the balls are white (ii) one ball is black and the other red (iii) both the balls are of the same colour.

An urn contains 7 white,5 black and 3 red balls.Two balls are drawn at random.Find the probability that i.both the balls red il.one ball is red and the other is black iil.one ball is white.

There are 6 red and 4 black balls in a bag. A ball is drawn at random. Find the probability that the ball drawn is red.

A bag contains 6 red,8 black and 4 white balls.A ball is drawn at random.What is the probability that ball drawn is not black?

A bag contains 5 black,7 red and 3 white balls.A ball is drawn from the bag at random. Find the probability that the ball drawn is (i) red (ii) black or white (iii) not black

MODERN PUBLICATION-PROBABILITY-NCERT-FILE (Exercise 13.2)
  1. If P(A) =3/5and P(B) =1/5, find P(AnnB)if A and B are independent even...

    Text Solution

    |

  2. Two cards are drawn at random and without replacement from a pack of ...

    Text Solution

    |

  3. A box of oranges is inspected by examining three randomly selected ...

    Text Solution

    |

  4. A fair coin and an unbiased die are tossed. Let A be the event head...

    Text Solution

    |

  5. A die marked 1, 2, 3 in red and 4, 5, 6 in green is tossed. Let A be ...

    Text Solution

    |

  6. Let E and F be events with P (E) =3/5, P (F) =3/(10)and P(EnnF)=1/5. A...

    Text Solution

    |

  7. Given that the events A and B are such that P (A) =1/2, P(AnnB)=3/5an...

    Text Solution

    |

  8. Let A and B be independent events with P(A) = 0. 3and P(B) = 0. 4Find...

    Text Solution

    |

  9. If A and B are two events such that P (A) =1/4, P(B) =1/2and P(AnnB)=...

    Text Solution

    |

  10. If A and B are two events such that P(A)=1/2, P(B) =7/(12)and P(not A...

    Text Solution

    |

  11. Given two independent events A and B such thatP(A) = 0. 3,P(B) = 0. 6...

    Text Solution

    |

  12. A die is tossed thrice. Find the probability of getting an odd number ...

    Text Solution

    |

  13. Two balls are drawn at random with replacement from a box containin...

    Text Solution

    |

  14. Probability of solving specific problem independently by A and B are 1...

    Text Solution

    |

  15. One card is drawn at random from a well shuffled deck of 52 cards. ...

    Text Solution

    |

  16. In a hostel 60% of the students read Hindi news paper, 40% read Eng...

    Text Solution

    |

  17. The probability of obtaining an even prime number on each die, when a...

    Text Solution

    |

  18. Two events A and B will be independent, if

    Text Solution

    |