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The mean and variance of a random variab...

The mean and variance of a random variable X having a binomial distribution are 4 and 2 respectively, then P(X=1) is
Theoretical Distributions

A

`(1)/(16)`

B

`(1)/(8)`

C

`(1)/(4)`

D

`(1)/(32)`

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-RANDOM VARIABLE -EXERCISE - II
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  4. In a binomial distribution, mean = 25, variance = 20 then P(X le 100)=

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  5. If the mean and variance of a binomial variable X are 2 and 1 respecti...

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  7. For a binomial variate X if n=5, and P(X=1)=8P(X=3), thenp=

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  8. X follows a binomial distribution with parameters n and p where 0 lt p...

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  10. Suppose X is a binomial distribution with parameters n = 100 and p=(1)...

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  12. A fair coin is tossed n times. Let x be random variable denoting the n...

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  17. In a binomial distribution B(n,p=(1)/(4)), if the probability of at le...

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  18. A die is thrown (2n + 1) times. The probability of getting 1 or 3 or 4...

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