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X~B(n,p) and mean and variance of X are ...

`X~B(n,p)` and mean and variance of X are `(15)/(2)` and `(15)/(4)`. Find n and p.

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The correct Answer is:
15, 1/2
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AAKASH SERIES-RANDOM VARIABLE -EXERCISE-3.2 (VERY SHORT ANSWER QUESTIONS)
  1. If X~B(10,0.6) then, find mean and variance of X.

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  2. In a binomial distribution n=400, p=1//5, It's standard deviation is

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  3. X~B(n,p) and mean and variance of X are (15)/(2) and (15)/(4). Find n ...

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  4. For a binomial distribution with mean 6 and variance 2, find the first...

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  5. In a binomial distribution, the parameter n=6. If 9P(X=4)=P(X=2), then...

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  6. The mean and variance of a Binomial variate are 2.4 and 1.44 respectiv...

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  7. The mean and variance of a binomial distribution are 4 and 3 respectiv...

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  8. If the difference between the mean and variance of a Binomial variate ...

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  9. A fair coin is tossed a fixed number times . If the probability of get...

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