January 2017
Beginner to intermediate
280 pages
217h 11m
English
Solved Problem 13-1 Higgins Plumbing and Heating maintains a stock of 30-gallon hot water heaters that it sells to homeowners and installs for them. Owner Jerry Higgins likes the idea of having a large supply on hand to meet customer demand, but he also recognizes that it is expensive to do so. He examines hot water heater sales over the past 50 weeks and notes the following:
| HOT WATER HEATER SALES PER WEEK | NUMBER OF WEEKS THIS NUMBER WAS SOLD |
|---|---|
| 4 | 6 |
| 5 | 5 |
| 6 | 9 |
| 7 | 12 |
| 8 | 8 |
| 9 | 7 |
| 10 | 3 |
| Total 50 |
If Higgins maintains a constant supply of 8 hot water heaters in any given week, how many times will he be out of stock during a 20-week simulation? We use random numbers from the seventh column of Table 13.4, beginning with ...