Binomial distribution is symmetrical when P=_________________?

Related Mcqs:

1. Binomial distribution is symmetrical when:_________________?

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

2. Binomial distribution is symmetrical when P=___________________?

   A. n
   B. x
   C. q
   D. 1 – P

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 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

5. For a symmetrical distribution approximately 68% of the cases are included between _________________?

   A. X¯¯¯¯−S and X¯¯¯¯+S
   B. X¯¯¯¯−2S and X¯¯¯¯+2S
   C. X¯¯¯¯−3S and X¯¯¯¯+3S
   D. None of these

6. In a symmetrical distribution mean, median and mode, _________________?

   A. Positive
   B. Greater
   C. Less than
   D. Coincide

7. 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

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

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

9. 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

10. 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