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Fall2011Exam1

Fall2011Exam1 - Stat 225 Fall 2011 Exam 1 Your Name Your...

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Stat 225 - Fall 2011 Exam 1 Your Name: _______________________________________________________ Your Section: Juan (7:30) Mike C. (8:30) Mike C. (9:30) Yen-Ning (10:30) Yen-Ning (11:30) Chris (12:30) Chris (1:30) Jeremy (2:30) Jeremy (3:30) Mike L. (4:30) Instructions: Show your work on ALL questions. Unsupported work will NOT receive full credit. Decimal answers should be exact, or to exactly 4 decimal places. (Examples: if it is .25 use .25, if it is say .57891234 then use .5789.) You are responsible for upholding the Honor Code of Purdue University. This includes protecting your work from other students. Please write legibly . If a grader cannot read your writing, NO credit will be given. You are allowed the following aids: a one-page 8.5" x 11" handwritten (in your handwriting) cheat sheet, a scientific calculator, and pencils or pens. Instructors will not interpret questions for you. If you do have questions, wait until you have looked over the whole exam so that you can ask all of your questions at one time. You must show your student ID (upon request), turn in your cheat sheet and sign the class roster when you turn in your exam to your instructor. Turn off your cell phone before the exam begins. Question Points Possible Points Earned 1 12 2 9 3 11 4 8 5 15 6 13 7 15 8 16 Cheat Sheet 1 Total 100

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1. Choose the phrase from the following list that fits most accurately in the sentences below. Each phrase could be used once, more than once, or not at all. Your answer MUST be the letter that represents your chosen phrase. (12 points total, 2 points each) (A) disjoint (B) union (C) partition (D) Bayes' Theorem (E) intersection (F) General Multiplication Rule (G) mutually exclusive (H) permutation (I) Inclusion-Exclusion formula (J) independent (K) combination (L) Law of Total Probability _____ a) If A and B are (a) _____, then ( ) ( ) ( ). P A B P A P B
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Fall2011Exam1 - Stat 225 Fall 2011 Exam 1 Your Name Your...

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