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 $50. Find the pr

Algebra ->  Probability-and-statistics -> 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 $50. Find the pr      Log On


   

Question 204996: 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 $50. Find the probability that in a randomly selected month the amount spent on personal calls is less than $750.

i already submitted this but i need to find a way to work through this without a graphing calculator- its not required for the class but the tutor that helped me(Godbless him or her) gave me a solution using a calculator. does anyone now how to do this without one? please help me!!!
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
You have to be able to use a z-chart to find the
z-values and to be able to find the probabilities
using the z-chart.
===
There is no alternative if you do not use a calculator
or have technology of some sort.
===
Cheers,
Stan H.