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A country's education department reported that in 2015, 61.7% of students enrolled in college or a trade school within 12 months of graduating high school in 2017, a random sample of 151 individuals who graduated from high school 12 months prior was selected From this sample, 90 students were found to be enrolled in college or a trade school Complete parts a through c a. Construct a 90% confidence interval to estimate the actual proportion of students enrolled in college or a trade school within 12 months of graduating from high school in 2017 The confidence interval has a lower limit of (Round to three decimal places as needed) and an upper limit of b. What is the margin of error for this sample? The margin of error is (Round to three decimal places as needed) c. Based on this sample, is there any evidence that this proportion has changed since 2015? This sample evidence that this proportion has changed since 2015, since the

A country's education department reported that in 2015, 61.7% of students enrolled in college or a trade school within 12 months of graduating high school in 2017, a random sample of 151 individuals who graduated from high school 12 months prior was selected From this sample, 90 students were found to be enrolled in college or a trade school Complete parts a through c a. Construct a 90% confidence interval to estimate the actual proportion of students enrolled in college or a trade school within 12 months of graduating from high school in 2017 The confidence interval has a lower limit of (Round to three decimal places as needed) and an upper limit of b. What is the margin of error for this sample? The margin of error is (Round to three decimal places as needed) c. Based on this sample, is there any evidence that this proportion has changed since 2015? This sample evidence that this proportion has changed since 2015, since the

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A country's education department reported that in 2015, 61.7% of students enrolled in college or a trade school within 12 months of graduating high school in 2017, a random sample of 151 individuals who graduated from high school 12 months prior was selected. From this sample, 90 students were found to be enrolled in college or a trade school Complete parts a through c XXX a. Construct a 90% confidence interval to estimate the actual proportion of students enrolled in college or a trade school within 12 months of graduating from high school in 2017 and an upper limit of The confidence interval has a lower limit of (Round to three decimal places as needed.) b. What is the margin of error for this sample? The margin of error is (Round to three decimal places as needed.). c. Based on this sample, is there any evidence that this proportion has changed since 2015? This sample evidence that this proportion has changed since 2015, since the
Transcribed Image Text:A country's education department reported that in 2015, 61.7% of students enrolled in college or a trade school within 12 months of graduating high school in 2017, a random sample of 151 individuals who graduated from high school 12 months prior was selected. From this sample, 90 students were found to be enrolled in college or a trade school Complete parts a through c XXX a. Construct a 90% confidence interval to estimate the actual proportion of students enrolled in college or a trade school within 12 months of graduating from high school in 2017 and an upper limit of The confidence interval has a lower limit of (Round to three decimal places as needed.) b. What is the margin of error for this sample? The margin of error is (Round to three decimal places as needed.). c. Based on this sample, is there any evidence that this proportion has changed since 2015? This sample evidence that this proportion has changed since 2015, since the
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