A. -2.3
B. 5.3
C. -4.8
D. 2.3
Related Mcqs:
- 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 - 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 - In a binomial distribution mean and variance is _________________?
A. Variance > mean
B. Mean < variance
C. Variance ≠ mean
D. None of these - The mean and variance of binomial distribution are ______________?
A. Unequal
B. Equal
C. Symmetrical
D. None - In binomial distribution with ________ trials mean is np and variance is npq?
A. Dependent
B. Independent
C. Linear
D. Equal - In a binomial distribution mean and variance is ________________?
A. Variance > mean
B. Mean < variance
C. Variance ≠ mean
D. None of these - Binomial probability distribution is denoted by b(x ; n, p), is defined as _______________?
A. {nx}px qn-x
B. {nx}px(1 – P)x-n
C. nCxpnqnx
D. {nx}p(1 – P)x - In a binomial distribution, n = 20 and p = 3/5, then variance of this distribution ______________?
A. 60
B. 12
C. 4.8
D. 0 - In a binomial distribution the probability of ___________ changes from trial to trial?
A. Failure
B. Experiment
C. Success
D. Out come - In a binomial probability distribution it is impossible to find______________?
A. P(X < 0)
B. P(X = 0)
C. P(X > 0)
D. p(0 ≤ X≤ n)