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Math 246 Project 12 KEY

# Math 246 Project 12 KEY - Project 12 Math 246 KEY Project...

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Project 12 Math 246 KEY Project Twelve ________/20__ Chapter 12 READ EVERYTHING CAREFULLY : Show all your work. Indicate clearly the methods you use, because you will be graded on the correctness of your methods as well as on the accuracy of your results and explanation. Use complete sentences when appropriate; u se complete mathematical sentences when appropriate; when necessary show your verification of the assumptions. Failure to do so may result in a lower score. If you present parallel solutions, I will grade the lesser of the two A .).A random sample of 147 men college students were interviewed with regard to their habits concerning the purchase of clothing. The source of each individual’s income was also determined. Given the data below and let α = 0.10. test the hypothesis that men purchase clothing without planning in the following proportion: Frequently 10 percent Seldom 80 percent Never 10 percent Numbers who purchased clothing items without planning Source of Income Frequently Seldom Never Earned all spending money 2 14 27 Earned part of spending money 8 17 5 Had regular allowance 4 12 7 Money given as needed 15 25 11 TOTAL 29 68 50

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