A New Phone System Was Installed Last Year to Help

question 90

Multiple Choice

A new phone system was installed last year to help reduce the expense of personal calls that were being madeby employees. Before the new system was installed, the amount being spent on personal calls follows a normaldistribution with an average of $900 per month and a standard deviation of $50 per month. Refer to suchexpenses as PCEʹs (personal call expenses) . Find the probability that a randomly selected month had a PCE thatfalls below $750.

• A) 0.0013
• B) 0.8333
• C) 0.1667
• D) 0.9987

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Definitions:

Swing

A kind of music that originated in the early 20th century, characterized by a strong rhythm section and improvisation.

Racially Inclusive

An approach or policy that intentionally includes people of all races, aiming to promote diversity, equality, and non-discrimination in various settings.

Widespread Popularity

The state of being well-known or favored by a large number of people across various regions or demographics.

Southern Negro Youth Conference

An influential African American civil rights organization founded in the 1930s to promote social change and empowerment among black youth in the southern United States.