MAT 122 Study Guide - Final Guide: Simple Random Sample, Total Variation, Explained Variation

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9 Jan 2019
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Maf 122 final exam may 5, 2008 version 1 page 1. Show the work you do to obtain an answer, a calculator and your textbook are allowed. Make sure you have seen and understand the rules in the syllabus about what sort of notes you are allowed to put in your book. Put all the work you wish to have graded in your blue book. Turn in both your exam and your blue book together. When you turn in your exam make sure your name gets checked off the list as having turned in the exam. Whenever you are doing a hypothesis test do the full b step method as outlined in class: ("18 points) a marketing firm claims that ice cream preferences are as follows: 50% of people prefer vanilla, 40o/o prefer chocolate, and 10% prefer coffee. To test this claim an ice cream shop surveys a simple random sample of 200 people about their ice cream preferences.