SOLUTION: The total amount being spent on personal calls in a month by employees of a company follows a normal distribution with a mean of $900 and a standard deviation of . Find the pro
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Question 204895: The total amount being spent on personal calls in a month by employees of a company follows a normal distribution with a mean of $900 and a standard deviation of . Find the probability that in a randomly selected month the amount spent on personal calls is less than $750.
A)
0.8333
B)
0.0013
C)
0.1667
D)
0.9987
i just need some ideas and tools to solve this one. i am so bad a t standard deviation! please!!! thankyou more than you know!!! Answer by stanbon(75887) (Show Source):
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