The third rule of 80/20 decision making is for important decisions: gather 80 percent of the data and perform 80 percent of the relevant analyses in the first 20 percent of the time available, then make a decision 100 percent of the time and act decisively as if you were 100 percent confident that the decision is right. If it helps you to remember, call this the 80/20/100/100 rule of decision making.
