Customers Are Serviced at a Rate of Three Customers Per

question 20

Multiple Choice

Customers are serviced at a rate of three customers per hour according to an exponential distribution.What is the probability that customer service will require fewer than 10 minutes?

• A)less than or equal to 0.40
• B)greater than 0.40 but less than or equal to 0.45
• C)greater than 0.45 but less than or equal to 0.50
• D)greater than 0.50