Customers Filter into a Record Shop at an Average of 1

question 56

Multiple Choice

Customers filter into a record shop at an average of 1 per minute (exponential interarrivals) where the service rate is 15 per hour (exponential service times) .
-What is the minimum number of servers needed to keep the average time in the system under 6 minutes?

• A)2
• B)3
• C)4
• D)5
• E)6

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Definitions:

Realized Gross Profit

The gross income that a company has earned and recognized from its sales or services, after accounting for the cost of goods sold, but before deducting operating expenses.

Installment Sales Revenue

Revenue recognized from sales that are paid in installments over a period, rather than in a single transaction.

Installment Sales Method

An accounting technique used to recognize revenue from sales made on credit, where income is recognized proportionally as payments are received.

Recognized Gross Profit

Gross profit that has been realized and reported in the financial statements of a company, calculated as sales revenue minus the cost of goods sold.