The First Unit Produced in 15 Hours Has an Estimated

Multiple Choice

The first unit produced in 15 hours has an estimated learning rate of 90 percent.At what level of output will the average production time per unit fall below 11 hours?

A) Fewer than or equal to 15 units
B) Greater than 15 units but fewer than or equal to 17 units
C) Greater than 17 units but fewer than or equal to 19 units
D) Greater than 19 units