What percentage of the time is joe processing orders

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Reference no: EM132223121

Joe Ferris is a stock trader on the floor of the New York Stock Exchange for the firm of Smith, Jones, Johnson, and Thomas, Inc. Stock transactions arrive at a mean rate of 20 per hour. Each order received by Joe requires an average of two minutes to process.

a. What is the mean service rate per hour?

b. What percentage of the orders will be processed in exactly 3 minutes?

c. What is the average time an order must wait from the time Joe receives the order until it is finished being processed (i.e. its turnaround time)?

d. What is the average number of orders Joe has waiting to be processed?

e. What percentage of the time is Joe processing orders?

Reference no: EM132223121

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