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pracexam1 - Midterm Exam I Math 361 Name Read all of the...

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Midterm Exam I Math 361 Name: 9/27/10 Read all of the following information before starting the exam: READ EACH OF THE PROBLEMS OF THE EXAM CAREFULLY! Show all work, clearly and in order, if you want to get full credit. I reserve the right to take off points if I cannot see how you arrived at your answer (even if your final answer is correct). A single 8 1/2 × 11 sheet of notes (double sided) is allowed. Calculators are permitted. Circle or otherwise indicate your final answers. Please keep your written answers clear, concise and to the point. This test has . problems and is worth 100 points. It is your responsibility to make sure that you have all of the pages! Turn off cellphones, etc. READ EACH OF THE PROBLEMS OF THE EXAM CAREFULLY! Good luck! 1 2 3 4 5
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1. ( 20 points ) There are two urns. The first has 3 red balls and 5 blue balls, the second has 6 red balls and 100 blue balls. A coin is flipped. If heads comes up a uniform random ball is picked from the first urn, if tails comes up a uniform random ball is picked from the second.
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