midterm - IE 300 / GE 331 Spring 2009 Midterm Exam March...

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IE 300 / GE 331 Spring 2009 Midterm Exam March 10, 2009 Name (in BLOCK CAPITALS): UIN: Signature: Instructions This exam is closed book and closed notes except that one 8 . 5” × 11” sheet of notes is permitted: both sides may be used. Calculators, laptop computers, PDAs, iPods, cellphones, e-mail pagers, headphones, etc. are not allowed. The exam consists of four problems worth a total of 100 points. The problems are each worth 25 points. Write your answers in the spaces provided. SHOW YOUR WORK. Answers without appropriate justification will receive very little credit. If you need extra space, use the back of the previous page. 1
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2 Problem 1. Suppose there is a test for z-cancer that is known to be 98% accurate, i.e., test gives positive result 98% time person has z-cancer, test gives negative result 98% of times person does not have z-cancer. It is known that only 0.5% of population has z-cancer. (a)
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This note was uploaded on 09/08/2009 for the course GE 331 taught by Professor Negarkayavash during the Spring '09 term at University of Illinois at Urbana–Champaign.

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midterm - IE 300 / GE 331 Spring 2009 Midterm Exam March...

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