Home
Class 12
MATHS
Two dice are rolled at random 5 times. O...

Two dice are rolled at random 5 times. Obtain the mean and variance of the distribution of doublets obtained.

Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    MODERN PUBLICATION|Exercise EXERCISE|543 Videos

  • MOCK TEST-3

    MODERN PUBLICATION|Exercise EXERCISE|35 Videos

  • RELATIONS AND FUNCTION

    MODERN PUBLICATION|Exercise EXAMPLE|212 Videos

Similar Questions

Explore conceptually related problems

If 12 dice are rolled at random, obtain the mean and variance of the distribution of successes, if 'getting a number greater than 4' is considered a success.

10 coins are tossed at random. Obtain the mean and variance of the number of heads obtained.

Calculate the mean and variance of the following distribution :

Eight dice are rolled at random. Find the mean and variance of number of successes if : getting a number less than 3 is success.

An unbiased coin is tossed 4 times. Find the mean and variance of the number of heads obtained.

An unbiased coin is tossed 4 times. Find the mean and variance of the number of heads obtained.

Eight dice are rolled at random. Find the mean and variance of number of successes if : getting an odd number is success.

A dice is thrown thrice. Find the mean and variance of the number of times a 'six' is obtained.

A random variable X has the distribution. Then , variance of the distribution, is

A dice is rolled thrice. If getting a four is considered a success, find the mean and the variance of the probability distribution of the number of success.

MODERN PUBLICATION-PROBABILITY-EXERCISE
  1. Eight dice are rolled at random. Find the mean and variance of number...

    Text Solution

    |

  2. Eight dice are rolled at random. Find the mean and variance of number ...

    Text Solution

    |

  3. Two dice are rolled at random 5 times. Obtain the mean and variance of...

    Text Solution

    |

  4. The mean and variance of a binomial variable X are respectively 4 and ...

    Text Solution

    |

  5. If the sum of mean and variance of a binomial distribution is 4.8 for ...

    Text Solution

    |

  6. A discrete random variable 'X' has mean equal to 3 and variance equal ...

    Text Solution

    |

  7. A discrete random variable 'X' has mean equal to 3 and variance equal ...

    Text Solution

    |

  8. Determine the binomial distribution whose mean is 10 and whose standar...

    Text Solution

    |

  9. Determine the binomial distribution whose mean is 10 and whose standar...

    Text Solution

    |

  10. The screws produced by a certain machine were checked by examining sam...

    Text Solution

    |

  11. Given that E and F are events such that P(E) = 0.6, P(F) = 0.3 and P(E...

    Text Solution

    |

  12. Compute P(A|B),if P(B) = 0.5 and P (A cap B) = 0.32

    Text Solution

    |

  13. If P(A)=0.8, P(B)=0.5 and P(B/A)=0.4, find : P(AnnB)

    Text Solution

    |

  14. If P(A) = 0.8, P(B) = 0.5 and P (B|A) = 0.4 find: P(A|B)

    Text Solution

    |

  15. If P(A)=0.8, P(B)=0.5 and P(B/A)=0.4, find : P(AnnB)

    Text Solution

    |

  16. Evaluate P(AuuB), if 2P(A)=P(B)=(5)/(13) and P(A//B)=(2)/(5) .

    Text Solution

    |

  17. If P(A) = 6/11 , P(B) = 5/11 and P(A cup B) = 7/11 find: P(AcapB)

    Text Solution

    |

  18. If P(A) = 6/11 , P(B) = 5/11 and P(A cup B) = 7/11 find: P(A|B)

    Text Solution

    |

  19. If P(A) = 6/11 , P(B) = 5/11 and P(A cup B) = 7/11 find: P(B|A)

    Text Solution

    |

  20. Determine P(E|F) if A coin is tossed three times, where : E : head on ...

    Text Solution

    |