(A) 0
(B) 2
(C) 1
(D) None of these
Tag: Statistics Multiple Choice Questions
What is the variance of binomial distribution __.
(A) n p
(B) np (1 – p)
(C) np/q
(D) nq/p
Variance of binomial distribution is always:__.
(A) Less than mean
(B) Greater than mean
(C) Equal to mean
(D) Less than equal to mean
In a binomial distribution, n = 20 and p = 3/5, then variance of this distribution __.
(A) 60
(B) 12
(C) 4.8
(D) 0
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
Which of the following is not a condition of the binomial distribution?
(A) Only 2 possible outcomes
(B) Have constant probability
(C) Must have at least 3 trials
(D) Trials must be independent
The successive trials are with replacement in:__.
(A) Hpergeometric distribution
(B) Binomial distribution
(C) Geometric distribution
(D) None of these
Binomial distribution is symmetrical when:__.
(A) p = q
(B) p > q
(C) p > q
(D) np > npq