Refer to the data in Solved Problem 131, which deals with Higgins Plumbing and Heating. Higgins has now collected 100 weeks of data and finds the following distribution for sales:
Hot Water Number of
Heater Sales Weeks This
Per Week Number Was Sold
3 ............. 2
4 ............. 9
5 ............. 10
6 ............. 15
7 ............. 25
8 ............. 12
9 ............. 12
10 ............ 10
11 ............ 5
(a) Resimulate the number of stockouts incurred over a 20week period (assuming Higgins maintains a constant supply of 8 heaters).
(b) Conduct this 20week simulation two more times and compare your answers with those in part (a). Did they change significantly? Why or why not?
(c) What is the new expected number of sales per week?
Solution:
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