# Binomial & Hyper-geometric Probability Mcqs - Set 2

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
 Answer  Explanation ANSWER: 2.3 Explanation: No explanation is available for this question!

2)   When ‘n’ becomes very large, binomial distribution tends to ______________?

a. Poisson dist
b. Standard dist
c. Normal dist
d. Hyper-geometric distribution
 Answer  Explanation ANSWER: Normal dist Explanation: No explanation is available for this question!

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.
 Answer  Explanation ANSWER: Become more positively skewed Explanation: No explanation is available for this question!

4)   In a binomial distribution, n = 10 p= 3/5, its mean is:_________________?

a. 6
b. 1
c. 2/5
d. None of these
 Answer  Explanation ANSWER: 6 Explanation: No explanation is available for this question!

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)
 Answer  Explanation ANSWER: Both (b) & (c) but not (a) Explanation: No explanation is available for this question!

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)
 Answer  Explanation ANSWER: Both (b) & (c) but not (a) Explanation: No explanation is available for this question!

7)   What is the mean of binomial distribution ____________?

a. X
b. n x p
c. n(1 – 1)
d. ∑fx/∑f
 Answer  Explanation ANSWER: n x p Explanation: No explanation is available for this question!

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
 Answer  Explanation ANSWER: {nx}px qn-x Explanation: No explanation is available for this question!

9)   Binomial word discovered at the end of ________________?

a. 14th century
b. 12th century
c. 10th century
d. 17th century
 Answer  Explanation ANSWER: 17th century Explanation: No explanation is available for this question!

10)   There are ____________ parameter in Binomial distribution?

a. n, q
b. n, p, q
c. q, p
d. n, p
 Answer  Explanation ANSWER: n, p Explanation: No explanation is available for this question!