Imagine a simple process in which 5 ticket booths are selling tickets for an opera. If customers are coming at a rate of 15 / hour, and the utilization of the 5 booths is 50%, then how long does a customer spend at a booth (each customer goes to only one booth)?

The customer spends 10 minutes at a booth.

Step-by-step explanation:

Let n= number of booths, = utilization, = arrival rate, Service rate

We know that

As per given,

Service rate = 6 customers per hour.

Time taken by each customer =

Hence, the customer spends 10 minutes at a booth.

if x decreases by 4 then y increases by 10

step-by-step explanation:

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above