Probability and Statistics for Engineering and the Sciences (with CD-ROM and InfoTrac )

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Unformatted text preview: 36-220 Engineering Statistics and Quality ControlSpring 2004 Midterm #1 March 3, 2004Name:Lab Section:You have 50 minutes to complete the exam.You must sit at least one seat apart from any neighbor on EACH side (left, right).You may use ONLY the table(s) provided to you today, oneformula sheet (bothsides) and YOUR OWN calculator (no sharing!).Answer all questions/problems, showing your work (this includes setting up the problemdefining events and random variables clearly) and all calculations.Give relevant reasoning and formulas.Keep the exam stapled together. If you need extra space to complete a problem, write on theback side of THAT problems sheet.Good luck!ProblemPoints PossiblePoints Awarded120 points220 points315 points420 points515 points610 pointsTotal100 points11. (20 points) The density function ofis given byotherwiseIf, find, .22. (20 points) A-out-of-circuit is one that requirescomponents out ofto be functioningso that the circuit may function. Suppose that each component functions independently withprobability 0.9. What is the probability that a 2-out-of-3 circuit functions?...
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This homework help was uploaded on 01/31/2008 for the course STAT 220 taught by Professor Shalizi during the Fall '05 term at Carnegie Mellon.

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midterm-sample - 36-220 Engineering Statistics and Quality...

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