SOLUTION: What is the variance of a binomial distribution in which the number of trials n = 100 and the probability of success p = 0.4?

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Question 504152: What is the variance of a binomial distribution in which the number of trials n = 100 and the probability of success p = 0.4?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Variance = np(1-p)

Variance = 100*0.4*(1-0.4)

Variance = 100*0.4*0.6

Variance = 100*0.24

Variance = 24