Question
A vending machine dispenses hot chocolate or coffee. Service time is 40 seconds per cup and is constant. Customers arrive at a mean rate of
A vending machine dispenses hot chocolate or coffee. Service time is 40 seconds per cup and is constant. Customers arrive at a mean rate of 60 per hour, and this rate is Poisson-distributed.
a.Determine the average number of customers waiting in line.(Round your answer to 2 decimal places.)
b.Determine the average time customers spend in the system.(Do not round intermediate calculations. Round your answer to 2 decimal places.)
c.Determine the average number of customers in the system.(Do not round intermediate calculations.Round your answer to 2 decimal places.)
NOTE** I'm having trouble solving b, I have correctly solved a & c.
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Calculus Early Transcendentals
Authors: James Stewart, Daniel K. Clegg, Saleem Watson, Lothar Redlin
9th Edition
1337613924, 978-1337613927
