Home
Class 12
MATHS
Two probability distributions of the dis...

Two probability distributions of the discrete random variables X and Y are given below.

Prove that `E(Y^(2)) = 2E(X)`.

Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Solutions of NCERT Exemplar Problems (Long Answer Type Questions) |16 Videos
  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Solutions of NCERT Exemplar Problems (Objective type Questions) |38 Videos
  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Textbook Illustrations for Practice Work |37 Videos
  • MATRICES

    KUMAR PRAKASHAN|Exercise Practice Paper - 3 (Section - D)|1 Videos
  • RELATIONS AND FUNCTIONS

    KUMAR PRAKASHAN|Exercise Practice Paper - 1 (Section - D)|2 Videos

Similar Questions

Explore conceptually related problems

The probability distribution of a discrete random variable X is given below : The value of k is .........

The probability distribution of a random variable X is given below : The value of k is ……….

The probability distribution of random variable X is as follows: Find value of k.

The probability distribution of a discrete random variable X is given in the following table where C gt 0 then C= _____

The probability distribution of a discrete random variable X is given as under : Calculate : (i) The value of A if E(X) = 2.94 (ii) Variance of X

A probability distribution of random variable X is as follows. b= ….., E(X) =…..

The following is the probability distribution of a random vaiable X. The value of k is

Probability distribution of a discrete random variable X is given in the following table. 1) Find the probability of random variable X assuming negative values. 2) Find the value of P(0 le x le 3)

The probability distribution of a random variable X is given below: (i) Determine the value of k. (ii) Determine P(X le 2) and P(X gt 2) (ii) Find P(X le 2) +P(X gt 2) .

KUMAR PRAKASHAN-PROBABILITY-Solutions of NCERT Exemplar Problems (Short Answer Type Questions)
  1. If a die is thrown 5 times. Then find the probability that an odd numb...

    Text Solution

    |

  2. Ten coins are tossed. Then what is the probability of getting atleast ...

    Text Solution

    |

  3. The probability of a man hitting a target is 0.25. He shoots 7 times, ...

    Text Solution

    |

  4. A lot of 100 watches is known to have 10 defective watches. If 8 watch...

    Text Solution

    |

  5. Consider the probability distribution of a random variable X: Cal...

    Text Solution

    |

  6. The probability distribution of a random variable X is given below: ...

    Text Solution

    |

  7. For the following probability distribution determine standard deviatio...

    Text Solution

    |

  8. A biased die is such that P(4) = (1)/(10) and other scores being equal...

    Text Solution

    |

  9. A dice is thrown three times. Let X be 'the number of two seen'. Find ...

    Text Solution

    |

  10. Two biased dice are thrown together. For the first dice P(6) = (1)/(2)...

    Text Solution

    |

  11. Two probability distributions of the discrete random variables X and Y...

    Text Solution

    |

  12. A factory produces bulbs. The probability that any one bulb is defecti...

    Text Solution

    |

  13. Suppose you have two coins which appear identical in your pocket. You ...

    Text Solution

    |

  14. Suppose that 6% of the people with blood group O are left handed and 1...

    Text Solution

    |

  15. Two natural numbers r, s are drawn one at a time, without replacement ...

    Text Solution

    |

  16. Find the probability distribution of the maximum of the two scores obt...

    Text Solution

    |

  17. The random variable X can take only the values 0, 1, 2. Given that P(X...

    Text Solution

    |

  18. Find the variance of the distribution:

    Text Solution

    |

  19. A and B throw a pair of dice alternately. A wins the game if he gets a...

    Text Solution

    |

  20. Two dice are tossed. Find whether the following two events A and B are...

    Text Solution

    |