Given that n is the number of trials of a random experiment, N is population size, M is the number of population units with the "success" characteristic, and p is the probability of success in the first trial, the mean of the hypergeometric random variable's probability distribution always equals:
A) n
B) np
C) n(N/M)
D) none of these

Question

Quizplus · Accepted Answer

The mean of the hypergeometric distribution is given by $n\frac{M}{N}$, which can be interpreted as $np$ where $p = \frac{M}{N}$ is the probability of success in a single trial.

Given That N Is the Number of Trials of a Random