SOLUTION: The probability that a package is delivered on time is 0.97. If 500 randomly selected packages are delivered from this population, what are the mean and standard deviation for the

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Question 1178332: The probability that a package is delivered on time is 0.97. If 500 randomly selected packages are delivered from this population, what are the mean and standard deviation for the on-time packages?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
The probability that a package is delivered on time is 0.97. 
n = 500
mean = .97*500 = 485
variance = (.97*500)(.03) = 14.55
sd = √variance = 3.8144
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