The following is a binomial probability distribution with n = 3 and $\pi$ = 0.20.
The mean of the distribution is
A) 1.5
B) 0.6
C) 0.25
D) 0.0

Name: The following is a binomial probability distribution with n = 3 and $\pi$ = 0.20. The mean of the distribution is A) 1.5 B) 0.6 C) 0.25 D) 0.0
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Question

The following is a binomial probability distribution with n = 3 and $\pi$ = 0.20.  
The mean of the distribution is
A) 1.5 
B) 0.6 
C) 0.25 
D) 0.0

Quizplus · Accepted Answer

The mean of a binomial distribution with n trials and probability of success p is given by np. 
Here, n=3 and p=0.2.
Therefore, mean = np = 3 * 0.2 = 0.6. 
Thus, the correct choice is B.

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