Match the items of List-I with the items of List-II and indicate the correct matching.

List-I	List-II
a. The parameters of the distribution are n and p	1. Normal distribution
b. The mean and the variance of the are identical distribution	2. Exponential distribution
c. The mean and the standard deviation of the distribution determines central location and spread respectively	3. Binomial distribution
d. The graph of the probability density function of the distribution slopes downward to the right from its maximum mean value	4. Poisson distribution

A. a-3, b-4, c-1, d-2

B. a-1, b-2, c-3, d-4

C. a-4, b-3, c-2, d-1

D. a-3, b-1, c-4, d-2

Answer: Option A