Engineering Economy 7th Edition by Leland Blank ,Anthony Tarquin

Exercise 27

Identify the following variables as either discrete or continuous.
a) The interest rates available in the marketplace for jumbo certificates of deposit
b) Optimistic, most likely, and pessimistic estimates of salvage value
c) The number of cars that are red in the first 100 that pass through a certain intersection
d) The weight of the purse or wallet carried when a person leaves her or his residence
e) The gallons of water that evaporate from Lake Erie in a given day