**451. Which of the following is not the property of binomial distribution ?**

A. n is fixed

B. Has two outcomes

C. Trials are independent**D. Probability of success varies from trial to trial**

**452. The mean of hypergeometric distribution is:___________________?**

**A. Nk/N**

B. N-k/n

C. nN/k

D. n+k/N

**453. In hypergeometric distribution, the trial are:_______________?**

A. Independent**B. Dependent**

C. Collectively Exhaustive

D. None

**454. In which distribution successive trials are without replacement:____________________?**

**A. Hypergeometric distribution**

B. Binomial distribution

C. Poisson distribution

D. Geometric distribution

**455. Each trial in Binomial distribution has:_________________?**

A. One Outcome**B. Two Outcome**

C. Three Outcome

D. Four Outcome

**456. The index numbers are used to measure seasonal and cyclical variations in __________?**

A. Commodities**B. Time Series**

C. Whole sale

D. Realtives

**457. The probability of success changes from trial to trial in:___________________?**

A. Binomial distribution

B. Geometric distribution

C. Sampling distribution**D. Hypergeometrical distribution**

**458. The mean of binomial distribution is:__________________?**

A. npq**B. np**

C. √npq

D. √np

E. nq—√

**459. In a binomial probability distribution it is impossible to find______________?**

**A. P(X < 0)**

B. P(X = 0)

C. P(X > 0)

D. p(0 ≤ X≤ n)

**460. Hypergeometric distribution has parameter:_____________________?**

A. 2

B. 1**C. 3**

D. 4

E. No