Home
Class 12
MATHS
Two numbers are selected at random (with...

Two numbers are selected at random (without replacement) from the first six positive integers. Let X denote the larger of the two numbers obtained. Find E(X).

Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    MODERN PUBLICATION|Exercise NCERT-FILE (Exercise 13.5)|15 Videos
  • PROBABILITY

    MODERN PUBLICATION|Exercise Miscellaneous Exercise on Chapter 13|19 Videos
  • PROBABILITY

    MODERN PUBLICATION|Exercise NCERT-FILE (Exercise 13.3)|14 Videos
  • MATRICES

    MODERN PUBLICATION|Exercise CHAPTER TEST (3)|12 Videos
  • RELATIONS AND FUNCTIONS

    MODERN PUBLICATION|Exercise CHAPTER TEST (1)|12 Videos

Similar Questions

Explore conceptually related problems

Two numbers are selected at random (without replacement) from first six positive integers. Let X denote the larger of the two numbers obtained. Find the probability distribution of X. Find the mean and variance of this distribution.

Two numbers are selected at random(without replacement) from the first five positive integers.Let X denote the larger of the two numbers obtained.Find the mean and variance of X

three numbers are selected at random (without replacement) from first six positive integers.Let X denote the largest of the three numbers obtained.the probability distribution of X. Also,find the mean

Two numbers are selected at random (without replacement) from positive integers 2,3,4,5,6, and 7. Let X denote the larger of the two numbers obtained.Find the mean and variance of the probability distribution of X .

Two numbers are selected are random (without replacement) from positive integers 2,3,4,5,6 and 7. Let X denote the larger of the two numbers obtained.Find the mean and variance of the probability distribution of X.

Two numbers are selected at random (without replacement) from first 7 natural numbers. If X denotes the smaller of the two numbers obtained, find the probability distribution of X. Also, find mean of the distribution.

Two numbers are selected at random from 1,2,3,......100 without replacement. Find the probability that the minimum of the two numbers is less than 70. 1) (301)/(330) 2) (29)/(33) 3) (299)/(330) 4) (31)/(330)

A fair coin is tossed 3 times. Let X be the number of heads obtained. Find E(X) and V(X).

MODERN PUBLICATION-PROBABILITY-NCERT-FILE (Exercise 13.4)
  1. State which of the following are not the probability distributions of ...

    Text Solution

    |

  2. An urn contains 5 red and 2 black balls. Two balls are randomly dra...

    Text Solution

    |

  3. Let X represent the difference between the number of heads and the ...

    Text Solution

    |

  4. Find the probability distribution of (i) number of heads in two tos...

    Text Solution

    |

  5. Find the probability distribution of the number of successes in two...

    Text Solution

    |

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

    Text Solution

    |

  7. A coin is biased so that the head is 3 times as likely to occur as ...

    Text Solution

    |

  8. A random variable X has the following probability distribution : ...

    Text Solution

    |

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

    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 sixe...

    Text Solution

    |

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

    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, ...

    Text Solution

    |

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

    Text Solution

    |

  16. The mean of the numbers obtained on throwing a die having written 1 o...

    Text Solution

    |

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

    Text Solution

    |