MATH SOLVE

3 months ago

Q:
# 99 POINTS!Find the standard deviation for the binomial distribution.n=21; p=0.2A) 1.83B) 5.95C) -0.58D) 5.10

Accepted Solution

A:

Standard deviation = β(n * p * q)You are given n and pq = 1 - pq = 1 -0.2 = 0.8Standard deviation = β(21 * 0.2 * 0.8)=β3.36 = 1.83The answer is A.