Find the standard deviation, _, for the binomial distribution which has the stated values of n and p. n=38; p=2/5
1 answer:
Answer:
Solution: given that
n = 38
p = 2/5 = 0.4 q = 1-p = 1-0.4 = 0.6
standard deviation = sqrt(n*p*q)
sqrt(38*0.4*0.6) = 3.0199
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