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For X ~ B (n,p),if E(X) = 5, Var (X) = 2...

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

A

0.1

B

0.2

C

0.5

D

0.6

Text Solution

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The correct Answer is:
C
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NIKITA PUBLICATION-BINOMIAL DISTRIBUTION-MCQS
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  2. Let X ~ B (n,P). I f E(X) = 5 and Var (x) = 2.5 find n and p

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

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

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

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  11. For X ~ B (n = 8, p = 0.5), P (|X-2| le 2) =

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

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