Home
Class 12
MATHS
A random experiment consists of three ...

A random experiment consists of three independent tosses of a fair coin write down the sample space let x be the number of heads obtained obtain the probability distribution of x and calcualte its expectation and variance

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D
Promotional Banner

Topper's Solved these Questions

  • RANDOM VARIABLE AND ITS DISTRIBUTION

    CHHAYA PUBLICATION|Exercise Long Answer Type Questions|10 Videos

  • RANDOM VARIABLE AND ITS DISTRIBUTION

    CHHAYA PUBLICATION|Exercise Multiple Correct Answer Type|5 Videos

  • RANDOM VARIABLE AND ITS DISTRIBUTION

    CHHAYA PUBLICATION|Exercise Very Short Answer Type Questions|14 Videos

  • QUESTIONS PAPER -2019

    CHHAYA PUBLICATION|Exercise WBJEE 2019|45 Videos

  • REAL NUMBERS

    CHHAYA PUBLICATION|Exercise Exercise (Long Answer Type Questions)|10 Videos
CHHAYA PUBLICATION-RANDOM VARIABLE AND ITS DISTRIBUTION -Short Answer Type Questions
  1. Define a random varible on the sample space of the random experi...

    Text Solution

    |

  2. Define two random variable X and Y on the sample space of the rando...

    Text Solution

    |

  3. Examine which one of the following represent the probability distri...

    Text Solution

    |

  4. A random experiment consists of three independent tosses of a fair ...

    Text Solution

    |

  5. Four unbiased coins are tossed simultaneously let x be the random vari...

    Text Solution

    |

  6. Let x denote the sum of digits in the random experiement of throw...

    Text Solution

    |

  7. Let x denote the number of tails preceding the first head when a...

    Text Solution

    |

  8. In a box there are 5 watches of which 2 are known to be defective ...

    Text Solution

    |

  9. Five defective bulbs are accidentally mixed with 20 good ones it i...

    Text Solution

    |

  10. From a lot of 25 ariticles containing 5 defective a sample of 4...

    Text Solution

    |

  11. Two cards are drawn simultaneously (or successively without repl...

    Text Solution

    |

  12. A discrete random variable x has the following probability distrub...

    Text Solution

    |

  13. A random variable x has the following probability function (...

    Text Solution

    |

  14. For what value of k will the function f(x) =kx x=1,2,3 ...., n be a ...

    Text Solution

    |

  15. The probability distribution of a random variable x is as follows ...

    Text Solution

    |

  16. Let x denote the number of heads when 10 unbiased coins are toss...

    Text Solution

    |

  17. In a given business venture a man can make a profit of Rs 300 with p...

    Text Solution

    |