The Unit Improvement Factor for an 80 Percent Learning Curve

Multiple Choice

The unit improvement factor for an 80 percent learning curve at 100 units is 0.2271. The first and second timings of a person doing a job are 20 minutes and 16 minutes, respectively. What is the learning-adjusted time estimate for unit number 100?

A) 20 minutes
B) 16 minutes
C) 2.271 minutes
D) 4.542 minutes
E) 0.800 minute