Home
Class 12
MATHS
For the following probability distributi...

For the following probability distribution

E(X) is equal to

A

0

B

-1

C

-2

D

-1.8

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    PRADEEP PUBLICATION|Exercise EXERCISE|467 Videos

  • MODEL PAPER (2)

    PRADEEP PUBLICATION|Exercise EXERCISE|40 Videos

  • RELATIONS AND FUNCTIONS

    PRADEEP PUBLICATION|Exercise EXERCISE|401 Videos

Similar Questions

Explore conceptually related problems

For the following probability distribution E(X^2) is equal to

Find mu, sigma_x^2 and sigma_x for the following probability distributions: .

Find mu, sigma_x^2 and sigma_x for the following probability distributions: .

Find mu, sigma_x^2 and sigma_x for the following probability distributions: .

Find mu, sigma_x^2 and sigma_x for the following probability distributions: .

A random variable 'X' has the following probability distribution: Find the value of K

Find the mean, variance for the following probability distribution: .

Find the standard deviation of the following probability distribution

Find the mean of the following probability distribution of a random variable X

A discrete random variable X has the following probability distribution: Determine value of k.

PRADEEP PUBLICATION-PROBABILITY-EXERCISE
  1. In reference Q.20 above,the probability that exactly two of the three ...

    Text Solution

    |

  2. Three persons A,B and C fire at a target in turn, starting with A. the...

    Text Solution

    |

  3. Three distinguisable balls are distributed in three cells. The probabi...

    Text Solution

    |

  4. Suppose X is a binomial variate B(5,p) and P(X=2)=P(X=3), then p is eq...

    Text Solution

    |

  5. A die is thrown and a card is selected at random from a deck of 52 pla...

    Text Solution

    |

  6. A box contains 3 orange balls, 3 green and 2 blue balls. Three balls a...

    Text Solution

    |

  7. A flashlight has 8 batteries out of which 3 are dead. If two batteries...

    Text Solution

    |

  8. Two dice are thrown. If it is known that the sum of the number on the ...

    Text Solution

    |

  9. Two cards are drawn from a well shuffled deck of 52 playing cards with...

    Text Solution

    |

  10. The mean and variance of a random variable X having a binomial distrib...

    Text Solution

    |

  11. Two numbers are selected randomly from the set S={1,2,3,4,5,6} without...

    Text Solution

    |

  12. Which one is not a requirement of a binomial distribution?

    Text Solution

    |

  13. The probability distribution of a discrete random variable X is given ...

    Text Solution

    |

  14. Let X be a random variable. The probability distribution of X is given...

    Text Solution

    |

  15. Let 'X' be a discrete random variable assuming values x1, x2, ...........

    Text Solution

    |

  16. For the following probability distribution E(X) is equal to

    Text Solution

    |

  17. For the following probability distribution E(X^2) is equal to

    Text Solution

    |

  18. Suppose that a random variabe X follows Binomial distribution with par...

    Text Solution

    |

  19. In a college 30% students fall in physics 25% fall in mathematics and ...

    Text Solution

    |

  20. A and B are two students. Their chances of solving a problem correctly...

    Text Solution

    |