400Exam1B - STAT 400 Spring 2011 Version B Name AD1 Th 3 4...

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STAT 400 Spring 2011 Name _________________________ Version B AD1 AD2 AD3 AD4 Th 3 – 4 Th 3 – 4 We 4 – 5 We 4 – 5 135 MEB 137 Armory 329 Davenport 165 Noyes PeiBei Shi Jong Hyun Yun Jong Hyun Yun PeiBei Shi Exam 1 Please circle your discussion section. Be sure to show all your work; your partial credit might depend on it. No credit will be given without supporting work. The exam is closed book and closed notes. You are allowed to use a calculator and one 8½" x 11" sheet with notes on it. Page 1 2 3 4 5 Total Earned
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Page 1 of 5 1. (4) Alex uses a copy machine to make 180 copies of the exam. Suppose that for each copy of the exam the stapler independently malfunctions with probability 0.02. Use Poisson approximation to find the probability that the stapler would malfunction exactly 3 times. Answer: _______________. 2. A recruiter is interviewing job candidates. From past data, the recruiter thinks that about 20% of the potential job candidates have the qualifications necessary to be hired for a certain middle management position. Assume independence.
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This note was uploaded on 02/24/2011 for the course STAT 400 taught by Professor Kim during the Spring '08 term at University of Illinois, Urbana Champaign.

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400Exam1B - STAT 400 Spring 2011 Version B Name AD1 Th 3 4...

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