Engineering Economy 7th Edition by Leland Blank ,Anthony Tarquin

Exercise 31

An engineer learned that production output is between 1000 and 2000 units per week 90% of the time, and it may fall below 1000 or go above 2000. He wants to use E (output) in the decision- making process. Identify at least two additional pieces of information that must be obtained or assumed to finalize the output information for this use.