1. provide the process of establishing confidence interval step by step. 2. According to past experience, 20% of students took public transportation. Test if the situation changed. Solve step by step

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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1. provide the process of establishing confidence interval step by step. 2. According to past experience, 20% of students took public transportation. Test if the situation changed. Solve step by step

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