Home
Class 12
MATHS
Find the mean, variance and standard dev...

Find the mean, variance and standard deviation of the number of heads in a simultaneous toss of three coins.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • MAXIMA AND MINIMA

    RD SHARMA ENGLISH|Exercise All Questions|309 Videos

  • MEAN VALUE THEOREMS

    RD SHARMA ENGLISH|Exercise All Questions|134 Videos

Similar Questions

Explore conceptually related problems

Find the variance and standard deviation of the following data:

Find the mean variance and standard deviation using short-cut method

Find the mean, variance and standard deviation using short-cut method.

Find the variance and standard deviation from the following data:

Find the variance and standard deviation of the following distribution

Find the variance and standard deviation for the following distribution.

Find the mean variance and standard deviation for the following data: 2,4,5,6,8,17

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

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

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

RD SHARMA ENGLISH-MEAN AND VARIANCE OF A RANDOM VARIABLE -All Questions
  1. Find the mean, variance and standard deviation of the number of heads ...

    Text Solution

    |

  2. Find the probability distribution of the number of doublets in four...

    Text Solution

    |

  3. A random variable X cantake all nonnegative integral valuesand the pro...

    Text Solution

    |

  4. The random variable X has a probability distribution P(X) of the fo...

    Text Solution

    |

  5. Determine which of the following can be probability distributions of a...

    Text Solution

    |

  6. A fair dice is thrown two times. Find the probability distribution of ...

    Text Solution

    |

  7. Four bad oranges are mixed accidently with 16 good oranges. Find the ...

    Text Solution

    |

  8. An urn contains 4 white and 6 red balls. Four balls are drawn at rando...

    Text Solution

    |

  9. Three cards are drawn form a pack of 52 playing cards. Find the pro...

    Text Solution

    |

  10. A discret random variable X has the following probability distribution...

    Text Solution

    |

  11. Four balls are to be drawn without replacement from a box containing 8...

    Text Solution

    |

  12. An urn contains 4 white and 3 red balls. Find the probability distr...

    Text Solution

    |

  13. A probability distribution of a variable X is given below: X :01234 P(...

    Text Solution

    |

  14. A random variable X as the following probability distribution: xi :-2-...

    Text Solution

    |

  15. Let X be a discrete random variable whose probability distribution is ...

    Text Solution

    |

  16. The probability distribution of a discrete random variable X is given ...

    Text Solution

    |

  17. Two cards are drawn successively with replacement from a well-shuffled...

    Text Solution

    |

  18. The probability distribution of a random variable X is given as under:...

    Text Solution

    |

  19. In a game 3 coins are tossed. A person is paid Rs. 5, if he gets all h...

    Text Solution

    |

  20. A discrete random variable X has the probability distribution given be...

    Text Solution

    |