## Exam Information

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## Sample Document Text

STAT 400 Exalll Sec. 0701
Final Exam (Tuesday, rvlay 20)
Exam ends promptly at 6:00. Exam is open book, open notes; calculators are allowed. Your final
answer(s) to each question should be circled, and for full credit you must show your work. Brief verbal
explanations of the steps you follow are helpful in earning partial credit. Numerical answers should be
simplified to eIther an exact answer or a decimal answer (as accurate as possible up to 4 decimal places).
Any work that you do not want to be considered should be crossed out.
1. (25 points) A company has 12 applicants for a job; let us number them from 1 (most
qualified) to 12 (least qualified ':. Due to time limitations the company selects .:I: appli
cants at random to interview, and hires the most qualifi.ed of those 4. For example, if
applicams 3, 4, 8, and 10 are selected to interview, then applicant 3 is hired.
(a) \Vhat is the probability that the most qualified applicant (1) is hired?
(b) What is the probability that one of...

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