SOLUTION: It has been reported that 83% of federal government employees use eamil. If a sample of 200 federal governmnet employees is selected, find the mean, variance, and standard deviatio

Algebra ->  Probability-and-statistics -> SOLUTION: It has been reported that 83% of federal government employees use eamil. If a sample of 200 federal governmnet employees is selected, find the mean, variance, and standard deviatio      Log On


   

Question 460876: It has been reported that 83% of federal government employees use eamil. If a sample of 200 federal governmnet employees is selected, find the mean, variance, and standard deviation of the number who use email.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
It has been reported that 83% of federal government employees use eamil. If a sample of 200 federal governmnet employees is selected, find the mean, variance, and standard deviation of the number who use email.
----
n = 200 ; p = 0.83
mean = np
variance = npq
std = sqrt(npq)
====================
Cheers,
Stan H.