Multiple Choice
A car wash is trying to determine how long the average line for a wash will be. The probability distributions that describe arrival and service times are unknown. If 10 cars arrive each hour and must wait 12 minutes in the line, how long will the line be, on average?
A) 120 cars
B) 2 cars
C) 1 car
D) 0.83 cars
E) 5 cars
Correct Answer:

Verified
Correct Answer:
Verified
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