Molly is choosing between to silent to carry in his backpack the 309 page paperbag weights 1/2 pound the 341 page hardcover weig
2 answers:
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Answer:
3 customers
Step-by-step explanation:
Rate of arrival (λ) = 15 per hour
Service rate (μ) = 20 per hour
The number of customers in a system given the arrival rate and the mean service rate is given by:
Applying the given data:
The average number of customers in the system is 3 customers.