Customers Arrive at a Drive-Through Teller Window of a Bank

question 5

Short Answer

Customers arrive at a drive-through teller window of a bank. They stay in line when the teller is busy. The service time is exponentially distributed with a mean of four minutes.
A) What is the probability that the next customer in line will take longer than seven minutes to be served?
B) What is the probability that the next customer in line will take less than eight minutes to be served?
C) What is the probability that the next customer in line will take between three and six minutes to be served?

• A) What is the probability that the next customer in line will take longer than seven minutes to be served?
• B) What is the probability that the next customer in line will take less than eight minutes to be served?
• C) What is the probability that the next customer in line will take between three and six minutes to be served?

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Definitions:

Province

A principal administrative division of certain countries, especially in Canada, which is characterized by its own government and boundaries.

Defendant Resides

The legal jurisdiction or location where the defendant (the person accused in a lawsuit) lives or is based.

Garnishment

A court order that monies owed to the judgment debtor (defendant) by third parties be paid into court and applied toward judgment debts; also known as attachment of debt.

Judgment Debtor

The person ordered by a court to pay damages or costs.