Assume that you have a binomial experiment with p = 0.4 and a sample size of 50. The variance of this distribution is
A)20
B)12
C)3.46
D)144

Question

Quizplus · Accepted Answer

The variance of a binomial distribution is calculated as np(1-p), where n is the sample size and p is the probability of success. Thus, in this case, the variance would be 50(0.4)(0.6) = 12. Therefore, the best choice is B.

Assume That You Have a Binomial Experiment with P =