• F.12 Refer to the data in Solved Problem F.1, on page 837, which deals with Higgins Plumbing and Heating. Higgins has now collected 100 weeks of data and finds the following distribution for sales:

a) Assuming that Higgins maintains a constant supply of 8 heaters, simulate the number of stockouts incurred over a 20-week period (using the seventh column of Table F.4).

b) Conduct this 20-week simulation two more times and compare your answers with those in (a). Did they change significantly?
Why or why not?

c) What is the new expected number of sales per week?

2 WATER HEATER SALES PER WEEK 3 NUMBER OF WEEKS THIS NUMBER WAS SOLD WATER HEATER SALES PER WEEK NUMBER OF WEEKS THIS NUMBER WAS SOLD 8 12 4557 9 9 12 10 10 10 15 11 : 25 100