Home
Class 12
MATHS
A pair of dice is tossed once and X deno...

A pair of dice is tossed once and X denotes the sum of numbers that appears on the two dice, then `P(Xle4)=______`.

Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    MODERN PUBLICATION|Exercise EXERCISE|543 Videos
  • MOCK TEST-3

    MODERN PUBLICATION|Exercise EXERCISE|35 Videos
  • RELATIONS AND FUNCTION

    MODERN PUBLICATION|Exercise EXAMPLE|212 Videos

Similar Questions

Explore conceptually related problems

Let a pair of dice be thrown and the random variable X be the sum of the numbers that appear on the two dice. Find the mean (or expectation) of X.

A pair of dice is thrown. Find the following event : The sum is 7.

If getting '5' or '6' in a throw of an unbiased dice is a success and the random variable 'X' denotes the number of success in six throws of the dice, find P(Xge4).

A pair of dice is thrown. Find the following event : Same numbers on both the dice.

A pair of dice is thrown. Find the following event : Even numbers on both the dice.

A pair of dice is rolled twice. Let X denote the number of times, 'a total of 9 is obtained'. Find the mean and variance of the random variable X.

A pair of dice is thrown. Find the following event : The sum is greater than 10.

A pair of dice is rolled. Find the probability of getting a doublet or sum of numbers to be at least 10.

MODERN PUBLICATION-PROBABILITY-EXERCISE
  1. Let E and F be events with P(E)=3/5, P(F)=3/10 and P (E cap F)=1/5. Ar...

    Text Solution

    |

  2. If A and B are two independent events such that P(A)=5/13, P(B)=2/13, ...

    Text Solution

    |

  3. A pair of dice is tossed once and X denotes the sum of numbers that ap...

    Text Solution

    |

  4. A die is tossed thrice. Find the probability of getting an odd number ...

    Text Solution

    |

  5. Write the formula of Bayes' Theorem with its conditions.

    Text Solution

    |

  6. The mean of the number of heads in the two tosses of a coin is .

    Text Solution

    |

  7. Obtain binomial distribution, if : n=6, p=1/3.Find the mean

    Text Solution

    |

  8. Suppose X has a probability distribution B(6,1/2). find which value of...

    Text Solution

    |

  9. If the mean and variance of a binomial distribution are 9 and 6 respec...

    Text Solution

    |

  10. If P(A) = 1/2, P(B) = 0, P(A//B) is :

    Text Solution

    |

  11. If A and B are events such that P(A/B)=P(B/A), then

    Text Solution

    |

  12. The probability of obtaining an even prime number on each die, when a ...

    Text Solution

    |

  13. Two events A and B will be independent, if:

    Text Solution

    |

  14. Probability that A speaks truth is 4/5. A coin is tossed. A reports t...

    Text Solution

    |

  15. If A and B are two events such that AsubB and P(B) ne 0, then which of...

    Text Solution

    |

  16. If A and B are two events such that P(A) ne 0 and P(B/A) = 1, then

    Text Solution

    |

  17. If P(A/B) > P(A), then which of the following is correct : :

    Text Solution

    |

  18. If A and B are any two events such that : P(A) + P(B) – P(A and B) = P...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |