With an 80 Percent Unit Improvement Factor Learning Curve and an Initial

Multiple Choice

With an 80 percent unit improvement factor learning curve and an initial time of 100 minutes to do a job, at what number of repetitions will the job take less than 50 minutes?

A) 5 repetitions of the job
B) 6 repetitions of the job
C) 7 repetitions of the job
D) 8 repetitions of the job
E) 9 repetitions of the job