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Q. |
Customers arrive at a box office window, being manned ny single individual, according to Poisson input process with mean rate of 20 per hour, while the mean service time is 2 minutes. Which of the following is not true for this system? |
A. | E(n) = 2 customers |
B. | E(m) = 4/3 customers |
C. | E(v) = 6 minutes |
D. | E(w) = 16 minutes |
Answer» A. E(n) = 2 customers |
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