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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 = R 1 + [(R BU ) x (1 - R 1 )] = .90 + [(.85) x (1 - .90)] = .9850 B = R 2 =.95
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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
Exam A – Problem 1 A = R1 +[(RBU) x (1 - R1)] = .90 +[(.85) x (1 - .90)] = .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)] = .95 +[(.80) x (1 - .95)] = .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: