MATH 312 Midterm: Kansas State MATH 312 312fxf00
7 Mar 2019
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To receive credit you must show your work. (150 points) (10) 1. Let u = {all people}, a = {americans},b={people under the age of 25}, and. Motors, inc. sold 325 cars with automatic transmission, 216 with power steering, and 89 with both of these options. How many cars were manufactured with at least one of these options? page 2 (10) 3. A club can elect a president and a vice-president in 380 di erent ways. How many members does the club have? (10) 4. An exam contains ve multiple choice questions, each having four choices. In how many di erent ways can the exam be completed? (21) 5. 30% of the paperback library books are worn and need replacement, while only. Draw a tree diagram to illustrate how to nd the probability that a book chosen at random from the library is worn and needs replacement. (10) 10.
