Mathematics, 21.04.2020 16:22 holman9308
Before a new phone system was installed, the amount a company spent on personal calls followed a normal distribution with an average of $900 per month and a standard deviation of $50 per month. Refer to such expenses as PCE's (personal call expenses). Using the distribution above, what is the probability that during a randomly selected month PCE's were between $775.00 and $990.00
Answers: 1
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Before a new phone system was installed, the amount a company spent on personal calls followed a nor...
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