Construct the confidence interval for the proportion by hand. Use a confidence level of 90%  You want to know what is the true percentage of people who have a disease is.  The most practical way is to pick a sample at random from a population and then see how many have the disease.  You collected a simple random sample of 570 people.  You found out that 176 of them had the disease.   2a) The critical value is (3 decimals).                                                                                                                                                                                     2b) The margin of error is (3 decimals).                                                                                                                                                                           2c)The lower limit is                                                                                                                                                                                                                      2d) The upper limit is

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 2E
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2) Construct the confidence interval for the proportion by hand. Use a confidence level of 90% 
You want to know what is the true percentage of people who have a disease is.  The most practical way is to pick a sample at random from a population and then see how many have the disease. 
You collected a simple random sample of 570 people.  You found out that 176 of them had the disease.  
2a) The critical value is (3 decimals).                                                                                                                                                                                     2b) The margin of error is (3 decimals).                                                                                                                                                                           2c)The lower limit is                                                                                                                                                                                                                      2d) The upper limit is

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