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If the standerd deviation of the binomia...

If the standerd deviation of the binomial distribution `(q+p)^(16)` is 2, then mean is

A

f16

B

8

C

4

D

6

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The correct Answer is:
B
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AAKASH SERIES-RANDOM VARIABLE -EXERCISE - II
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  2. A : If the difference between the mean and variance of a binomial dist...

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  3. If the standerd deviation of the binomial distribution (q+p)^(16) is 2...

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  4. If a binomial distribution has mean 2.4 and variance is 1.44, then n=

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  5. If the mean of a binomial distribution with 9 trials is 6, then its va...

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  6. If the mean of the binomial distribution is 100. Then standard deviati...

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  7. Four bad apples are mixed accidentally with 20 good apples. Probabilit...

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  8. Two cards are drawn successively with replacement . The mean of number...

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  9. The mean and variance of a random variable X having binomial distribut...

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  10. The least number of times a fair coin must be tossed so that the proba...

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  11. The probabilty of hitting a target is 1/3. The least number of times t...

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  12. The mean and variance of a random variable X having a binomial distrib...

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  13. In a binomial distribution, mean = 25, variance = 20 then P(X le 100)=

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

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  15. X is a binomial variate with parameters n=6 and p. If 4P(X=4)=P(X=2), ...

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

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

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  18. Suppose X is binomial distribution with parameters n = 100 and p = 1/...

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

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  20. A coin is tossed any number of times until a head appears. If x donote...

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