A Manager Is Trying to Estimate the Appropriate Learning Curve

Multiple Choice

A manager is trying to estimate the appropriate learning curve for a certain job. The manager notes that the first four units had a total time of 30 minutes. Which learning curve would yield approximately this result if the first unit took 10 minutes?

A)  .70
B)  .75
C)  .80
D)  .85
E)  .90