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In a binomial distribution the mean is 2...

In a binomial distribution the mean is 20, standard deviation is `sqrt15` and p =

A

`(3)/(4)`

B

`(1)/(4)`

C

`(1)/(2)`

D

`(1)/(3)`

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

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  5. For binomial distribution n=10, q=0.4, then mean is

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  8. If the mean and variance of a binomial distribution are 15//4 and 15//...

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  9. Let X be a binomially distributed variate with mean 10 and variance 5....

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  15. A pair of dice is rolled 4 times. The probability of getting doublet e...

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