Exhibit 13.7
The following questions refer to the information and output below.
A tax accountant has found that the time to serve a customer has a mean of 30 minutes (or 0.5 hours) and a standard deviation of 6 minutes (or 0.1 hours). Customer arrivals follow a Poisson distribution with an average of 60 minutes between arrivals. The following queuing analysis spreadsheet was developed from this information. 
-Refer to Exhibit 13.7. Based on this report what is the average number of customers waiting to be helped?
Correct Answer:
Verified
Q78: Exhibit 13.5
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Q79: Exhibit 13.4
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Q80: Exhibit 13.3
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Q81: Exhibit 13.4
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Q82: Exhibit 13.5
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Q84: Exhibit 13.3
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Q85: Exhibit 13.2
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Q86: Exhibit 13.6
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Q87: Exhibit 13.7
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Q88: Exhibit 13.2
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