Home
Class 12
MATHS
Given X~ B (n,P) If n= 10 and p=0.4...

Given X~ B (n,P)
If n= 10 and p=0.4 , find E(X) and Var (X) .

A

0.4

B

2.4

C

4

D

24

Text Solution

Verified by Experts

The correct Answer is:
C
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

Given X ~ B(n,p) If n= 20,, E(x)= 10 , Find p, Var(X) and S.D (X)

Given that X ~ B (n, P) . If n = 10, P = 0.4 then E(X) = ...............

Given X~ B(n,p) . If n = 25 , E(x) = 10, find p and S.D (X)

Given X ~ B ( n,p)If p =0 .6 E (X) =6, find n and Var (X)

Let X ~ B (n,P). I f E(X) = 5 and Var (x) = 2.5 find n and p

If X~B(n,p) with n=10,p=0.4 , then E(X^(2))=

Given X ~ B( n, p) if p =0.6 E(X) =6, then the value of Var (X) is

If X ~ B (n,p) with n=10 , p = 0.4 the E (X^(2 ))=?

Given X~B(n,p) if E(X) = 6, Var (X) = 4.2 , find the value of n and p.

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

NIKITA PUBLICATION-BINOMIAL DISTRIBUTION-MCQS
  1. For X ~ B (n,p), which of the following is correct ?

    Text Solution

    |

  2. Given X~ B (n,P) If n= 10 and p=0.4 , find E(X) and Var (X) .

    Text Solution

    |

  3. Given X~ B (n,P) If n= 10 and p=0.4 , find E(X) and Var (X) .

    Text Solution

    |

  4. Given X ~ B ( n,p)If p =0 .6 E (X) =6, find n and Var (X)

    Text Solution

    |

  5. Given X ~ B( n, p) if p =0.6 E(X) =6, then the value of Var (X) is

    Text Solution

    |

  6. Given X~ B(n,p) . If n = 25 , E(x) = 10, find p and S.D (X)

    Text Solution

    |

  7. Given X~ B(n,p) . If n = 25 , E(x) = 10, find p and S.D (X)

    Text Solution

    |

  8. Given X~B(n,p).IfE(X)=6,and Var (X) = 4.2, find the valye of n.

    Text Solution

    |

  9. Given X~B(n,p) if E(X) = 6, Var (X) = 4.2 , find the value of n and p...

    Text Solution

    |

  10. For X ~ B (n,p),if E(X) = 18, Var(X) =12, then p =

    Text Solution

    |

  11. For X ~ B (n,p),if E(X) = 18, Var(X) =12, then q =

    Text Solution

    |

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

    Text Solution

    |

  13. Let X ~ B (n,P). I f E(X) = 5 and Var (x) = 2.5 find n and p

    Text Solution

    |

  14. For X ~ B (n,p),if E(X) = 5, Var (X) = 2.5, then p =

    Text Solution

    |

  15. For X ~ B (n,p) and E (X) = 12, Var (X) = 4, then the value of n is

    Text Solution

    |

  16. Given that X ~ B( n=10, p) .If E (x) = 8, find the value of p .

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  19. For X ~ B (n = 10, p = 0.2), P (X=1) =

    Text Solution

    |

  20. For X ~ B (n = 10, p = 0.2), P(X ge 1) =

    Text Solution

    |