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Customers Are Serviced at a Rate of Six Customers Per

Question 82

Multiple Choice

Customers are serviced at a rate of six customers per hour according to an exponential distribution. What is the probability that customer service will require fewer than 20 minutes?


A) less than or equal to 0.70
B) greater than 0.70 but less than or equal to 0.80
C) greater than 0.80 but less than or equal to 0.90
D) greater than 0.90

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