**441. In a binomial distribution, n = 10 p= 3/5, its mean is:_________________?**

**A. 6**

B. 1

C. 2/5

D. None of these

**442. 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.

**443. When ‘n’ becomes very large, binomial distribution tends to ______________?**

A. Poisson dist

B. Standard dist**C. Normal dist**

D. Hyper-geometric distribution

**444. 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**

**445. The mean and the variance are equal in________________?**

A. All probability distribution

B. The hypergeometric distribution

C. The binomial distribution**D. The Poisson distribution**

**446. Binomial word discovered at the end of ________________?**

A. 14th century

B. 12th century

C. 10th century**D. 17th century**

**447. 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

**448. What is the mean of binomial distribution ____________?**

A. X**B. n x p**

C. n(1 – 1)

D. ∑fx/∑f

**449. 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)**

**450. 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)**