14111cwir11ws.1

14111cwir11ws.1 - U = { d,e,f,g, 1 , 2 , 3 } , A = { d,g, 2...

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Fall 2011 Math 141 Week-in-Review #11 Final Exam Review courtesy: Kendra Kilmer (covering Chapters 1-8 ,excluding Sec. 1.1, 1.2, 2.7, 3.4, 4.1-4.3, 5.4) (Please note that this review is not all inclusive) 1. How many 3 digit numbers can be formed from the numbers 0 , 1 , 2 , 5 , 7 , 8 , 9 if no digit can be repeated, the ﬁrst digit must be nonzero, and each number formed must be even? 2. A \$10,000 1-year term life insurance policy costs \$150. If the probability that a particular person dies in the next year is 0 . 002, ﬁnd the company’s expected net gain. 3. Let
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Unformatted text preview: U = { d,e,f,g, 1 , 2 , 3 } , A = { d,g, 2 } , B = { e,f,g, 2 , 3 } , and C = { d, 2 } . Determine whether each of the following statements is true or false. (a) 1 ∈ C c (b) ∅ ⊆ B (c) { g, 2 } ⊂ ( A ∩ B ) (d) ( A c ∪ B ) = { e,f, 3 } (e) { 2 } ∈ C 4. A company manufactures ﬁshing poles. Each ﬁshing pole sells for \$25, and the variable cost of producing each unit is 20% of the selling price. The monthly ﬁxed costs incurred by the company are \$20,000. What is the break-even point for the company?...
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This note was uploaded on 03/04/2012 for the course MATH 141 taught by Professor Jillzarestky during the Fall '08 term at Texas A&M.

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