Binomial distribution is symmetrical when P=___________________?

Related Mcqs:

1. Binomial distribution is symmetrical when P=_________________?

   A. 1/q
   B. 1
   C. q
   D. 2q

2. Binomial distribution is symmetrical when:_________________?

   A. p = q
   B. p > q
   C. p > q
   D. np > npq

3. The binomial distribution is symmetrical when:______________?

   A. P > q
   B. P = 1/2
   C. Probability of success & probability of failure are equal
   D. Both (b) & (c) but not (a)

4. If in binomial distribution p ≠ q, the distribution is:___________________?

   A. Positively skewed
   B. Negative skewed
   C. May be positive skewed or negative skewed.
   D. None of these

5. 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

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 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

8. For a binomial distribution with n = 15 as p changes from. 50 toward. 05 the distribution will__________?

   A. Become more positively skewed
   B. Become more negatively skewed
   C. Become symmetrical
   D. All of the above.

9. 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

10. The graphs of the symmetrical distribution is _____________?

    A. J- shaped
    B. U- shaped
    C. Bell- shaped
    D. None of these