Your Mid Term Exam Score MC = Multiple choice test score (first red number on Scantron sheet) PS = Problem Score (on test questions) MT Score = MC x 2 + PS

Mid-Term Scores

Exam A – Problem 1 A = R1 + [(RBU) x (1 - R1)] = .9850 B = R2 =.95 C = R1 + [(RBU) x (1 - R1)] = .98 + [(.80) x (1 - .98)] = .9320

Exam A – Problem 1 RS = A x B x C = .9850 x .95 x .9960 = .9320

Exam B – Problem 1 A = R1 + [(RBU) x (1 - R1)] = .99 B = R2 =.92 C = R1 + [(RBU) x (1 - R1)] = .90 + [(.88) x (1 - .10)] = .988

Exam B – Problem 1 RS = A x B x C = .99 x .92 x .988 = .8998

Exam A – Problem 2 Method 1:

Exam A – Problem 2 Method 2:

Exam A – Problem 2

Exam B – Problem 2

Exam B – Problem 2