1. Waiting lines occur even in systems that are less that 100% utilized because of variability in service rates and/or arrival rates.

Group of answer choices

True

False

2. The assumption of constant service times cannot be used with human servers because of the inevitable variability.

Group of answer choices

True

False

3. A system has one service facility that can service 10 customers per hour. The customers arrive at an average rate of 6 per hour. In this case, no waiting line will form.

Group of answer choices

True

False

4. In a single-server system, the utilization factor is equal to the mean arrival rate divided by the mean service rate.

Group of answer choices

True

False

5.To reduce project duration, activities on the critical path will have to be crashed.

Group of answer choices

True

False