A) The 25th exam takes ____ minutes?

B) To grade the first 10 exams ____ minutes?

If Professor Laurie Macdonald takes 15 minutes to grade the rst exam and follows an 85% learning curve then, using table Table E3, the amount of time she requires to grade: a) the 25th exam I: minutes (round your response to two decimal places). a Learning Curve Coefficients 75% 80% 85% Unit Number Unit Total Unit Total Unit Total (N) Time Time Time Time Time Time 10 .385 5.589 .477 6.315 .583 7.116 25 .263 10.191 .355 12.309 .470 14.801