Exhibit 13.3
The following questions refer to the information below.
A company has recorded the following customer inter-arrival times and service times for 10 customers at one of its single teller service lines. Assume the data are exponentially distributed and the 10 data points represent a reasonable sample. 
-Refer to Exhibit 13.3. What is the mean arrival rate per hour?
Definitions:
Inventory Turnover Ratio
The inventory turnover ratio measures how many times a company's inventory is sold and replaced over a period.
Average Days
An accounting measure used to calculate the average number of days taken for a company to collect cash from its customers or pay its debts.
Dividend Yield Ratio
An economic ratio that illustrates the yearly dividend disbursement of a company as a percentage of its stock value.
Net Profit Margin
A financial ratio that shows the percentage of profit a company makes for each dollar of sales, after all expenses are deducted.
Q10: Which of the following is the typical
Q11: In time series regression analysis<br>A)the dependent variable
Q16: Consider a fixed-payment security that pays $100
Q17: CPM and PERT differ because of<br>A)activity time
Q21: What function should be used for generating
Q23: An investor is considering 4 investments,A,B,C,D.The payoff
Q55: The company would like to build a
Q58: A pattern resulting from random variation or
Q79: Forecasting into distant future periods<br>A)is unreliable<br>B)is expensive<br>C)is
Q94: In the k nearest neighbor technique,a small