Economics (M.Phil./Ph.D.) 2019 Panjab University Entrance Exam With Answers

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22.

The mean and variance of a Binomial Distribution is:

A: √np,√npq
B: √n^2p,√n^2p^2q^2
C: √npq,n^2p^2
D: np,npq

The answer is: D

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