The Average Time Between Phone Calls Arriving at a Call

question 47

Multiple Choice

The average time between phone calls arriving at a call centre is 30 seconds.Assuming that the time between calls is exponentially distributed, find the probability that more than a minute elapses between calls.

• A)0.135
• B)0.368
• C)0.865
• D)0.607
• E)0.709

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Definitions:

Monopolistically Competitive

A type of market structure characterized by many sellers offering differentiated products, leading to competition based on product features, price, and quality.

Profit

The financial gain obtained when the amount of revenue gained from a business activity exceeds the expenses, costs, and taxes needed to sustain the activity.

Price

The sum of money anticipated, demanded, or provided as compensation for something.

Long-run Equilibrium

A state in which economic forces such as supply and demand are balanced, and all adjustments to economic conditions have been made, often characterized by firms earning normal profit in perfectly competitive markets.