MATH 225N

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MATH 225N Week 6 Quiz
2.5

(2)

2.5

2

11

november 2019

2019/2020
1. Question: A statistics professor recently graded final exams for students in her introductory statistics course. In a review of her grading, she found the mean score out of 100 points was a x¯=77, with a margin of error of 10……Construct a confidence interval for the mean score (out of 100 points) on the final exam. 2. Question: A random sample of adults were asked whether they prefer reading an e-book over a printed book. The survey resulted in a sample proportion of p′=0.14, with a sa...
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