Question $15(1$ point$)$

Waiting lines are always a result of highly variable arrival and service patterns.

$$ True

$$ False

Question $16(1$ point$)$

The Poisson and negative exponential distributions are not alternate ways of presenting the same basic information.

$$ True

$$ False

Question $17(1$ point$)$

In a multiple$-$priority model, processing occurs first for customers with the lowest priority class.

$$ True

$$ False