Please answer (5-7). Thank you.

Question 5 (circle the correct choice): The time spent in a line (a queue) is a function of all of the following, except a the rate at which the flow units enter the system b. the rate at which the flow units are processed or served c. the revenue and cost configuration of the flow units d the queue configuration and discipline e. the population of flow units Question 6 (circle the correct choice): Which does not hinder the flow of units through a process? a. Waste b. Excess cost C. Fragmentation d. Redundancies e. Inadequate capacity Question 7 (circle the correct choice): The arrival rate is a how fast patients are processed through the clinic b. the number of flow units' arrivals per unit of time C. the amount of time spent in the waiting room before being called for an appointment d. all of the above e. a and b, but not c