Home
Class 12
MATHS
Find the mean and variance of the number...

Find the mean and variance of the number obtained on a throw of an unbiased die.

Promotional Banner

Topper's Solved these Questions

  • MATRICES

    V PUBLICATION|Exercise QUESTION BANK|100 Videos
  • RELATIONS AND FUNCTIONS

    V PUBLICATION|Exercise QUESTION BANK|114 Videos

Similar Questions

Explore conceptually related problems

Find the mean and variance of the number of heads in the two tosses of a coin.

Find the mean and variance of following data :

Find the mean and variance of following data :

Find the mean and variance of following data :

Find the mean and variance of following data :

Find the mean and variance of the first 10 multiples of 3.

Find the mean and variance of first n natural numbers.

Find the probability distribution, Mean and Variance of the number of success in two tosses of a die, where a success is defined as 6 appears on at least on one die

Find the probability distribution, Mean and Variance of the number of success in two tosses of a die, where a success is defined as number greater than 4

Choose the corréct answer in each of the following The mean of the numbers obtained on throwing a die having written 1 on three faces, 2 on two faces and 5 on one face is

V PUBLICATION-PROBABILITY-QUESTION BANK
  1. Find the probability distribution of number of doublets in three throw...

    Text Solution

    |

  2. Let a pair of dice be thrown and the random variable X be the sum of...

    Text Solution

    |

  3. Find the mean and variance of the number obtained on a throw of an unb...

    Text Solution

    |

  4. An urn contains 5 red and 2 black identical balls. Two balls are rando...

    Text Solution

    |

  5. Let X represent the absolute difference between the number of heads an...

    Text Solution

    |

  6. Find the probability distribution of number of heads in two tosses of ...

    Text Solution

    |

  7. Find the probability distribution of the number of sucesses in two tos...

    Text Solution

    |

  8. From a lot of 30 bulbs which include 6 defectives, a sample of 4 bulbs...

    Text Solution

    |

  9. A coin is tossed so that the head is 3 times as likely to occur as tai...

    Text Solution

    |

  10. Find the mean number of heads in three tosses of a fair coin.

    Text Solution

    |

  11. Two dice are thrown simultaneously. If X denotes the number of sixes, ...

    Text Solution

    |

  12. Two numbers are selected at random (without replacement) from the firs...

    Text Solution

    |

  13. Let 'X' denote the sum of the numbers obtained when two fair dice are ...

    Text Solution

    |

  14. A class has 15 students whose ages are 14,17,15,14,21,17,19,20,16,18,2...

    Text Solution

    |

  15. In a meeting, 70 % of the members favour and 30 % oppose a certain pro...

    Text Solution

    |

  16. Choose the corréct answer in each of the following The mean of the num...

    Text Solution

    |

  17. Suppose that two cards are drawn at random from a deck of cards. Let ...

    Text Solution

    |

  18. If a fair coin is tossed 10 times, Find the probability of Exactly 6 ...

    Text Solution

    |

  19. Ten eggs are drawn successively with replacement from a lot containing...

    Text Solution

    |

  20. A die is thrown 6 times. If getting an odd number is a success, what i...

    Text Solution

    |