With a 70 Percent Unit Improvement Factor Learning Curve and an Initial

Multiple Choice

With a 70 percent unit improvement factor learning curve and an initial time of 100 minutes to do a job, at what number of repetitions does the job take less than 50 minutes?

A) 2 repetitions of the job
B) 3 repetitions of the job
C) 4 repetitions of the job
D) 5 repetitions of the job
E) 6 repetitions of the job