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Mean and variance of binomial distributi...

Mean and variance of binomial distribution are 3 and 2 respectively then parameter n is ………..

A

9

B

3

C

8

D

6

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The correct Answer is:
A
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KUMAR PRAKASHAN-PROBABILITY-Multiple Choice Questions (MCQs)
  1. Mean and variance of one binomial distribution are (4)/(3) and (20)/(2...

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  2. Probability distribution of a discrete random variable X is given in t...

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  3. Mean and variance of binomial distribution are 3 and 2 respectively th...

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  4. The probability function of the binomial distribution is P(x)= ((6), (...

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  5. Let X be the random variable with following probability distribution. ...

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  6. The mean and standard deviation of a random variable X are given by E(...

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  7. Let X be a random variable with probability distribution. then E...

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  8. Two balanced dice are tossed 500 times. If sum of integers obtained o...

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  9. A probability distribution of random variable X is as follows. b...

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  10. A man takes a step forward with probability 0.4 and backwards with pro...

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  11. omega is the cube root of 1 and omega ne 1. Now r(1), r(2) and r(3) ar...

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  12. One number is selected from the set S={1,2,3, …., 50} A={n in S/...

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  13. In binomial distribution of random variable X if mean = np and varianc...

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  14. In binomial distribution of random variable X if parameter n = 5 and p...

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  15. Random variable X takes integer values from 1 to n with equal probabil...

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  16. 8 coins are tossed togather. Then ………. is the probability of an event ...

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  17. Mean and variance of the binomial distribution is 4 and 3 respectively...

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  18. One ticket is selected from pack of 100 tickets numbered with 00, 01, ...

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  19. Mean and variance of variable X of the binomial distribution are (7)/(...

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  20. X and Y are independent binomial variables. B(5,(1)/(2)) and B(7,(1)/...

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