Checked for weight violations

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Reference no: EM133961003

Question

Trucks are required to pass through a weighing station so they can be checked for weight violations. Trucks arrive at the station at the rate of 45 an hour between 7:00 p.m. and 9:00 p.m. Currently two inspectors are on duty during those hours, each of whom can inspect 30 trucks an hour. Use Table 18.4.

1. How many trucks would you expect to see at the weighing station, including those being inspected?

2. If a truck was just arriving at the station, about how many minutes could the driver expect to be at the station?

3. What is the probability that both inspectors would be busy at the same time?

4. How many minutes, on average, would a truck that is not immediately inspected have to wait?

5. What is the maximum line length for a probability of .94?

Reference no: EM133961003

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