8 Questions in Exam 1A - Introduction to Probability - 2006 | MATH 111, Exams of Probability and Statistics

Download 8 Questions in Exam 1A - Introduction to Probability - 2006 | MATH 111 and more Exams Probability and Statistics in PDF only on Docsity! MATH 111 EXAMIA February 20, 2006 1. Do all your work in the exam booklet provided. 2. SHOW YOUR WORK and provide intermediate steps for partial credit. 3, At the end of the exam, write out and sign the Univerisity Honor Pledge in the space provided on the cover of the exam booklet. (15 points) 1. cere 11, 12, 13, 14, 15, 16, 17, 18, 19}, M= (11, 13}, W = (14,15, 16} and T= {11, 17} a. Wo= b. MUW = c. MNW = d. MUWUT = e. MOWAT = (20 points) 2. Seventy customiers at an outlet store are observed purchasing cookies, bread or soup. The observations show: 23 purchase cookies, 33 purchase bread and 26 purchase soup. 5 purchase cookies and bread, 11 purchase bread and soup, 3 purchase cookies and soup and 8 purchase bread and soup but no cookies. a. Take this information and display it as a Venn Diagram. : b. Did anyone at the outlet store purchase none of these items? How many? c. How many customers were observed purchasing just a single itern? d. How many customers purchased more than a single item? (10 points) 3. A house with brick, stone and wood trim is being painted. There are five colors for the brick, eight colors for the stone and twelve colors for the wood trim. What is the total number of color combinations possible? (10 points) 4. You either dress up or go casual. If you dress up, you have three dress shirts, four dress pants and two dress jackets. If you go casual, you have five pairs of jeans, thirty t-shirts and five warm-up jackets. What is the total number of possibilities for choosing an outfit for the day? continued on the back