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Customers Walk into a Bank at an Average Rate of 20

Question 23

Multiple Choice

Customers walk into a bank at an average rate of 20 per hour. On average, there are 5 people waiting in line to be served. How long does the average customer wait in line?


A) 15 minutes
B) 0.25 minutes
C) 4 minutes
D) 3 minutes
E) 8 minutes

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