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Unformatted text preview: Statistics 351 Midterm #1 October 10, 2007 This exam has 4 problems and 6 numbered pages . You have 50 minutes to complete this exam. Please read all instructions carefully, and check your answers. Show all work neatly and in order, and clearly indicate your final answers. Answers must be justified whenever possible in order to earn full credit. Unless otherwise specified, no credit will be given for unsupported answers, even if your final answer is correct. Points will be deducted for incoherent, incorrect, and/or irrelevant statements. This exam is closed-book, except that one 8 1 2 11 double-sided page of handwritten notes is permitted. No other aids are allowed. You must answer all of the questions in the space provided. Note that blank space is NOT an indication of a questions difficulty. Name: Instructor: Michael Kozdron Problem Score 1 2 3 4 TOTAL: 1. ( 22 points ) Suppose that the random vector ( X,Y ) is jointly distributed with joint density function f X,Y ( x,y ) =...
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