Home
Class 12
MATHS
is the probability distribution of a ran...


is the probability distribution of a random variable X. Find the variance of X.

Text Solution

Verified by Experts

The correct Answer is:
1.76
Promotional Banner

Topper's Solved these Questions

  • RANDOM VARIABLE

    AAKASH SERIES|Exercise EXERCISE - I|33 Videos

  • RANDOM VARIABLE

    AAKASH SERIES|Exercise EXERCISE - II|76 Videos

  • RANDOM VARIABLE

    AAKASH SERIES|Exercise EXERCISE-3.3 (LONG ANSWER QUESTIONS)|10 Videos

  • QUADRATIC EQUATIONS & EXPRESSIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|88 Videos

  • RANDOM VARIABLES

    AAKASH SERIES|Exercise Exercise 4.4|9 Videos

Similar Questions

Explore conceptually related problems

is the probability distribution of random varibale X. Find k and variance of X.

is the probability distribution of a random variable X. Find the value of K and the variance of X.

The probability distribution of a random variable X is given below. Find the value of k, mean, also find variance of X.

The probability distribution of a random variable Xis given below: Find the value of k and the mean and variance of X.

State which of the following are not the probability distributions of a random variable. Give reasons for your answer.

The probability distribution of a random variable X is given below. Find k, mean and variance of X

AAKASH SERIES-RANDOM VARIABLE -ADDITIONAL EXERCISE
  1. The probability function of a random variable X is given by p(x)=(1)...

    Text Solution

    |

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

    Text Solution

    |

  3. is the probability distribution of a random variable X. Find the varia...

    Text Solution

    |

  4. Compute the variance of X whose distribution is given by

    Text Solution

    |

  5. State whether the following probability distribution is admissible or ...

    Text Solution

    |

  6. State whether the following probability distribution is admissible or ...

    Text Solution

    |

  7. Four bad apples are mixed accidentally with 20 good apples. Probabilit...

    Text Solution

    |

  8. A business man gets a profit of Rs. 2800 with probability 0.5, loss of...

    Text Solution

    |

  9. A pair of fair dice is rolled 2 times. Find the mean of the number of ...

    Text Solution

    |

  10. A coin is loaded such that P(H)=3P(T). It is tossed 3 times. Let X be ...

    Text Solution

    |

  11. In a binomial distribution the sum and difference of mean and variance...

    Text Solution

    |

  12. If X is a binomial variate with mean 10 and variance 5 then find P(X l...

    Text Solution

    |

  13. A man takes a step forward with probability 0.4 and backward with prob...

    Text Solution

    |

  14. On an average 1 in 100 razor blades manufactured by a firm are defecti...

    Text Solution

    |

  15. The following data is related to the number of mistakes in each page o...

    Text Solution

    |

  16. Every one out of 15 telephone calls between 2.00 p.m and 4.00 p.m. in ...

    Text Solution

    |

  17. If a person gains or loses an amount equal to the number appearing whe...

    Text Solution

    |

  18. A person gets Rs. 2 if head comes and loses Rs. 5 when a tail comes th...

    Text Solution

    |

  19. A person gets Rs. (2X+3) where X denotes the number appearing when a b...

    Text Solution

    |

  20. A coin is tossed until a tail appears what is the expectation of the n...

    Text Solution

    |