The Manager of a Computer Help Desk Operation Has Collected

question 64

Multiple Choice

The manager of a computer help desk operation has collected enough data to conclude that the distribution of time per call is normally distributed with a mean equal to 8.21 minutes and a standard deviation of 2.14 minutes. Based on this, what is the probability that a call will last longer than 13 minutes?

• A) About 0.0125
• B) Approximately 0.4875
• C) About 0.5125
• D) About 0.9875

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Definitions:

Balanced Reciprocity

A form of exchange where goods or services of roughly equal value are traded within a specified time frame, often among people with a social relationship.

Barter

is a method of exchange where goods or services are traded directly for other goods or services without the use of money.

Generalized Reciprocity

A form of exchange where goods or services are given with the expectation that the recipient will reciprocate in the future without a specified value or time frame.

Generalized Reciprocity

A type of exchange where goods or services are provided without an immediate or specified return, often found within close relationships or communities.