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Project 12 KEY - Project 12 Math 246 KEY Project Twelve/20...

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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 .).In a class survey done in a statistics class at University, students were asked, “Suppose you are buying a new car and the model you are buying is available in three colors: silver, blue, or green. Which color would you pick?” Of the n =111 students who responded, 59 picked silver, 25 picked blue and 27 picked green. Is there sufficient sample evidence to conclude that the colors are not equally preferred? Let α = 0.05.
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