# What is the variance of a binomial distribution for which n = 75 and p = 0.20?

##### 2 Answers

Nov 1, 2015

75 x

#### Explanation:

The formula for the variance of a binomial distribution is n x p x q where q = 1 - p. Here n = 75, p = .20 or

Nov 1, 2015

The answer is

#### Explanation:

Note that if **Variance** of

Now your

# n = 75 # and# p = 0.20 # .So your variance =

# 75 times 0.20 times ( 1 - 0.20 ) = 75 times 0.20 times 0.80 =12#