|
1) 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
|
||||
|
2) When ‘n’ becomes very large, binomial distribution tends to ______________? a. Poisson dist b. Standard dist c. Normal dist d. Hyper-geometric distribution
|
||||
|
3) 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.
|
||||
|
4) In a binomial distribution, n = 10 p= 3/5, its mean is:_________________? a. 6 b. 1 c. 2/5 d. None of these
|
||||
|
5) 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)
|
||||
|
6) 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)
|
||||
|
7) What is the mean of binomial distribution ____________? a. X b. n x p c. n(1 – 1) d. ∑fx/∑f
|
||||
|
8) 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
|
||||
|
9) Binomial word discovered at the end of ________________? a. 14th century b. 12th century c. 10th century d. 17th century
|
||||
|
10) There are ____________ parameter in Binomial distribution? a. n, q b. n, p, q c. q, p d. n, p
|
||||
