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Unformatted text preview: Click to edit Master subtitle style 6/13/11 B Heard Lecture for Week 5 Quiz Statistics For Decision Making Not to be used, posted, etc. without my expressed permission. B Heard 6/13/11 Your Week 5 Quiz is on material covered in Weeks 3 and 4 Your Week 7 Quiz is on material covered in Weeks 5 and 6 Your Final Exam is comprehensive covering the material in the three prior quizzes plus the material covered in Week 7 Your best approach for preparing for the quizzes should be the Practice Questions offered in the live lecture each week we have a quiz. Week 5 Quiz Not to be used, posted, etc. without my expressed permission. B Heard 6/13/11 Week 5 Quiz Let’s look at some questions…. Not to be used, posted, etc. without my expressed permission. B Heard 6/13/11 How many ways can a committee of 4 be chosen from 20 people? Week 5 Quiz Not to be used, posted, etc. without my expressed permission. B Heard 6/13/11 How many ways can a committee of 4 be chosen from 20 people? This would be a combination because “order” doesn’t matter, so there would be 4845 different ways. Week 5 Quiz Not to be used, posted, etc. without my expressed permission. B Heard 6/13/11 How many ways can a committee of 4 be chosen from 20 people if they have distinct positions (i.e. President, Secretary, Treasurer, and VicePresident)? Week 5 Quiz Not to be used, posted, etc. without my expressed permission. B Heard 6/13/11 How many ways can a committee of 4 be chosen from 20 people if they have distinct positions (i.e. President, Secretary, Treasurer, and Vice President)? This would be a permutation because “order” does matter, so there would be 116280. Week 5 Quiz Not to be used, posted, etc. without my expressed permission. B Heard 6/13/11 What values can a probability be? Week 5 Quiz Not to be used, posted, etc. without my expressed permission. B Heard 6/13/11 What values can a probability be? Anything between 0 and +1 (NOTHING ELSE). That also means from 0% to 100%, and any positive fraction where the numerator is smaller than the denominator. Week 5 Quiz Not to be used, posted, etc. without my expressed permission. B Heard 6/13/11 List the sample space of the teams in the 2010 Super Bowl. Week 5 Quiz Not to be used, posted, etc. without my expressed permission. B Heard 6/13/11 Week 5 Quiz Not to be used, posted, etc. without my expressed permission. B Heard List the sample space of the teams in the 2010 Super Bowl. { Colts, Saints} Other Examples, Gears in my car { P, D, 2nd, Low, R, N} , Numbers on a clock { 1,2,3,4,5,6,7,8,9,10,11,12} , Different weeks in our term { 1,2,3,4,5,6,7,8} , Grades for the Course { A,B,C,D,F} , Standard Light Switch { On, Off} , etc. 6/13/11 Week 5 Quiz Not to be used, posted, etc. without my expressed permission. B Heard What is the probability of drawing a 7 from a deck of cards? And what is the probability of a second card being an Ace or King if the first was a 7? (without replacement) 6/13/11...
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This note was uploaded on 06/10/2011 for the course MATH 221 taught by Professor Trenary during the Spring '11 term at DeVry Chicago O'Hare.
 Spring '11
 trenary
 Statistics

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