1. A defense contractor has just started producing engines for a new government contract. The first engine took 800 hours to produce. If the learning curve is 80%, approximately how long will it take to produce the first 20 engines?

A. 665 hours

B. 8388 hours

C. 310 hours

D. 10,000 or more hours

E. 8083 hours

2. Susan Sherer, an IRS auditor, took 48 minutes to process her first tax return. The IRS uses an 82% learning curve. The amount of processing time that Susan is going to require for the:

a.) 2nd Return ____ minutes (round your answer to two decimal places).

3. If Professor Laurie Macdonald takes 18 minutes to grade the first task and follows an 85% learning curve then, using table

Table E.3 the amount of time she requires to grade:

a.) the 25th task ____ minutes (round your answer to two decimal places).

75% 80% 85% Unit Time Unit Time Total Time Unit Time Total Time Unit Number (N) 10 25 Total Time 5.589 10.191 .385 .263 477 .355 6.315 12.309 .583 .470 7.116 14.801