SOLUTION: find the mean, variance and standard deviation of the binomial distributions when n= 129 p = 0.21

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Question 587983: find the mean, variance and standard deviation of the binomial distributions
when n= 129 p = 0.21
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
find the mean, variance and standard deviation of the binomial distributions
when n= 129 p = 0.21
----
mean = np = 129*0.21
variance = npq = 129*0.21*0.79
std = sqrt(npq)= sqrt[129*0.21*0.79]
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Cheers,
Stan H.