The first product took 10 hours to build and the learning curve is estimated to be 90%.How long will it take to make the fourth unit?
A)10 hours
B)9 hours
C)8.1 hours
D)7.5 hours
E)none of the above

Question

Quizplus · Accepted Answer

The formula for calculating time with a learning curve is Tn=T1*(n^logR/log2), where Tn is the time for the nth unit, T1 is the time for the first unit, R is the learning rate as a percentage (90% in this case), and n is the unit number. Plugging in the given values, we get T4=10*(4^log0.9/log2)≈8.1 hours. Therefore, the correct answer is C.

The First Product Took 10 Hours to Build and the Learning