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For X ~ B (n,p), which of the following ...

For `X ~ B` (n,p), which of the following is correct ?

A

E (X) = Var (X)

B

E (X) = 2Var (X)

C

E (X) `gt` Var (X)

D

E (X) `lt` Var (X)

Text Solution

Verified by Experts

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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