Home
Class 12
MATHS
In a single throw of a dice; if X denote...

In a single throw of a dice; if `X` denotes the number on its upper face. Find the mean of `X`.

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

In a single throw of a dice, find the probability of getting : 8

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

In a single throw of two dice , what is the probability of at least one ace

In a single throw of two dice , what is the probability of two aces

A fair coin is tossed until a head or five tails occur. If X denotes the number of tosses of the coin, find mean of X.

In a single throw of two dice, find the probability of a doublet .

In a single throw of a dice, find the probability of getting : (i) 7

In a single throw of a dice, find the probability of getting : (i) 5

In a single throw of two dice , what is the probability of doublets ?

In a single throw of a die, find the probability that the number: will be an odd number

RD SHARMA ENGLISH-MEAN AND VARIANCE OF A RANDOM VARIABLE -All Questions
  1. The probability distribution of a random variable X is given below: X ...

    Text Solution

    |

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

    Text Solution

    |

  3. In a single throw of a dice; if X denotes the number on its upper face...

    Text Solution

    |

  4. A dealer in refrigerators estimates from his past experience the proba...

    Text Solution

    |

  5. A salesman wants to know the average number of units he sells per sale...

    Text Solution

    |

  6. Evaluate the following definite integral: int(pi//3)^(pi//4)(t a n x+c...

    Text Solution

    |

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

    Text Solution

    |

  8. Two dice are thrown simultaneously. If X denotes the number of sixe...

    Text Solution

    |

  9. Two numbers are selected at random(without replacement) from the first...

    Text Solution

    |

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

    Text Solution

    |

  11. A class has 15 students whose ages are 14, 17, 15, 14, 21, 17, 19, ...

    Text Solution

    |

  12. Find the probability distribution of the number of success in two toss...

    Text Solution

    |

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

    Text Solution

    |

  14. A fair coin is tossed until a head or five tails occur. If X denote...

    Text Solution

    |

  15. In a game, a man wins a rupee for a six and loses a rupee for any o...

    Text Solution

    |

  16. In a group of 30 scientists working on an experiments 20 never comm...

    Text Solution

    |

  17. Find the mean and standard deviation of the following probability dist...

    Text Solution

    |

  18. Find the mean and standard deviation of each of the following proba...

    Text Solution

    |

  19. Find the mean and standard deviation of the following probability dist...

    Text Solution

    |

  20. Find the mean and standard deviation of the following probability dist...

    Text Solution

    |