Home
Class 12
MATHS
For X ~ B (n , p), if n = 5 and the sum ...

For `X ~ B` (n , p), if n = 5 and the sum of the mean and variance is 1.8, then p =

A

0.2

B

0.8

C

0.3

D

0.7

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • APPLICATIONS OF DERIVATIVES

    NIKITA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|282 Videos

  • CONTINUITY

    NIKITA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|374 Videos

Similar Questions

Explore conceptually related problems

For X ~ B (n,p), n = 10, E (X) = 5, then p =

In a bionomial distribution, mean is 18 and variance is 12 then p = .....

A r.v. X~B (n, p). If values of mean and variance of X are 18 and 12 respectively, then total number of possible values of X are

In a bionomial distribution, mean is 18 and variance is 12 then p= . . . .

At random variable X~B(n,p) if values of mean and variance of X are 18 and 12 respectively, then total number of possible values of X are

Let X ~ B (n, p ), if E (X) = 5, Var (X) = 2.5, then P(X<1) is

Let X ~ B (n,p) , if E (X ) = 5 , "Var" (X ) =2.5 then p (X lt 1)=

NIKITA PUBLICATION-BINOMIAL DISTRIBUTION-MCQS
  1. Let the p,m f. of r.v X be d p(x)+((4) ,(x))(5/9)^x(4/9)^(4-x) , ...

    Text Solution

    |

  2. Let the p,m f. of r.v X be d p(x)+((4) ,(x))(5/9)^x(4/9)^(4-x) , ...

    Text Solution

    |

  3. For X ~ B (n , p), if n = 5 and the sum of the mean and variance is 1....

    Text Solution

    |

  4. Each of five questions on a multiple choice examination has four choic...

    Text Solution

    |

  5. Each of five questions on a multiple choice examination has four choic...

    Text Solution

    |

  6. Each of the total fice questions in amultiple choice examination has f...

    Text Solution

    |

  7. If X be binomial distribution with mean np and variance npq, then find...

    Text Solution

    |

  8. If n toys are distributed among N boys randomly, then the probability ...

    Text Solution

    |

  9. The centres for disease control have determined that when a person is ...

    Text Solution

    |

  10. The centres for disease control have determined that when a person is ...

    Text Solution

    |

  11. Probability that a person will devlop immunity after vaccinatio...

    Text Solution

    |

  12. It is possible for a computer to pick up an erroneous signal that does...

    Text Solution

    |

  13. It is possible for a computer to pick up an erroneous signal that does...

    Text Solution

    |

  14. In an experiment, a fair coin is tossed three times. If success means ...

    Text Solution

    |

  15. Five fair coins are tossed simultaneously. If the probability of getti...

    Text Solution

    |

  16. Five fair coins are tossed 8 times, then the probability that it shows...

    Text Solution

    |

  17. If a fair coin is tossed 8 times , then the probability that it shows ...

    Text Solution

    |

  18. If a fair coin is tossed 8 times , then the probability that it shows ...

    Text Solution

    |

  19. A fair coin is tossed 9 times . Find the probability that it shows he...

    Text Solution

    |

  20. A fair coin is tossed 9 times. The probability that it shows heads in ...

    Text Solution

    |