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Given: sample mean = 225 Standard deviation = 442.9413 n = 20 a. Find the margin of error using confidence level of 99%. b. Construct a 99% confidence interval d. How many crimes must be included in your sample if you want a 99% confident? e. Find the critical value for 99% confidence level based on your computed sample size.

Given: sample mean = 225 Standard deviation = 442.9413 n = 20 a. Find the margin of error using confidence level of 99%. b. Construct a 99% confidence interval d. How many crimes must be included in your sample if you want a 99% confident? e. Find the critical value for 99% confidence level based on your computed sample size.

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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FIND ONLY D. Please provide it neatly with indicated given, formula, solution, and answer.
2009 66 16 74 61 2010 60 33 953 90 Given: sample mean = 225 Standard deviation = 442.9413 n = 20 Albay 2011 54 28 584 64 a. Find the margin of error using confidence level of 99%. b. Construct a 99% confidence interval 2012 51 13 230 90 d. How many crimes must be included in your sample if you want a 99% confident? e. Find the critical value for 99% confidence level based on your computed sample size. 2013 51 35 1838 114
Transcribed Image Text:2009 66 16 74 61 2010 60 33 953 90 Given: sample mean = 225 Standard deviation = 442.9413 n = 20 Albay 2011 54 28 584 64 a. Find the margin of error using confidence level of 99%. b. Construct a 99% confidence interval 2012 51 13 230 90 d. How many crimes must be included in your sample if you want a 99% confident? e. Find the critical value for 99% confidence level based on your computed sample size. 2013 51 35 1838 114
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