(A) 14th century
(B) 12th century
(C) 10th century
(D) 17th century
Tag: Statistics Multiple Choice Questions
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
What is the mean of binomial distribution __.
(A) X
(B) n x p
(C) n(1 – 1)
(D) Σfx/Σf
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)
Which of the following case is true for hyper geometric distribution__.
(A) Probability remains constant for all the trials.
(B) Probability changes from trial to trial
(C) Successive trial are dependent
(D) Both (b) & (c) but not (a)
In a binomial distribution, n = 10 p= 3/5, its mean is:__.
(A) 6
(B) 1
(C) 2/5
(D) None of these
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.
When ‘n’ becomes very large, binomial distribution tends to __.
(A) Poisson dist
(B) Standard dist
(C) Normal dist
(D) Hyper-geometric distribution