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In a binomial distribution n=20, q=0.75....

In a binomial distribution `n=20, q=0.75`. Then mean =

A

5

B

15

C

10

D

7.5

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The correct Answer is:
A
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AAKASH SERIES-RANDOM VARIABLE -EXERCISE - I
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  3. In a binomial distribution n=20, q=0.75. Then mean =

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  12. The mean and the variance of a binomial distribution are 4 and 2 respe...

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  15. From a pack of 52 cards, 3 cards are drawn successively with replaceme...

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  18. If X is a Poisson variate such that P(X=0)=P(X=1), then the parameter ...

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  19. In a Poisson distribution if P(X=0)=P(X=1)=k, the value of k is

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  20. If X is a poisson distribution such that P(X=1)=P(X=2)then,P(X=4)=

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