Before a New Phone System Was Installed, the Amount a Company

Multiple Choice

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 PCEʹs (personal call expenses) . Find the point in the distribution
Below which 2.5% of the PCEʹs fell.

A) $802.00
B) $22.50
C) $877.50
D) $998.00