Mean of the binomial distribution is ______________?

Related Mcqs:

1. if in a binomial probability distribution mean and variance are 6 and 2.4 respectively, then the parameters of this distribution are:____________________?

   A. n = 10, p = 6/10
   B. n = 50, p = 6/50
   C. n = 10, p = 3/5
   D. n = 10, p = 2/5

2. If mean of the binomial probability distribution is 4.8, then variance of this distribution is :_______________?

   A. -2.3
   B. 5.3
   C. -4.8
   D. 2.3

3. If a Binomial experiment is repeated ‘N’ times then binomial frequency distribution is. _______________?

   A. N.{nx}px qn-x
   B. N p q
   C. N.{n/x}px qn-x
   D. N.{n/x}p qn-x

4. The mean, median and mode for binomial distribution will be equal when:______________?

   A. p= 0.5
   B. P 0.5
   D. p = 1
   E. None of these

5. The mean and variance of binomial distribution are ______________?

   A. Unequal
   B. Equal
   C. Symmetrical
   D. None

6. In a binomial distribution, n = 20 and p = 3/5, then variance of this distribution ______________?

   A. 60
   B. 12
   C. 4.8
   D. 0

7. If the sampled population has a normal distribution, when is the sampling distribution of the sample mean X also a normal distribution ?

   A. Only when the sample size is at least 100.
   B. Only when the sample size is smaller than 30
   C. Always
   D. Only when the sample size is at least 30.

8. In binomial distribution with ________ trials mean is np and variance is npq?

   A. Dependent
   B. Independent
   C. Linear
   D. Equal

9. In a binomial distribution, n = 10 p= 3/5, its mean is:_________________?

   A. 6
   B. 1
   C. 2/5
   D. None of these

10. The mean of binomial distribution is:__________________?

    A. npq
    B. np
    C. √npq
    D. √np
    E. nq—√