1.How many samples must be considered from a population of 28,000 students, if 5% margin of error is to be used?(4*Solution:2 Considering the 5800 enrollees in the College of Education, a researcher would like to make a study with 97.25% precisionHow many samples must be taken?Solutions:3.Determine the number of sample that must be taken from each year level, if 95% decision is considered...NUMBER STUDENTSYEAR LEVELSOLUTIONSAMPLEENROLLEDFirst Year5,800Second Year6,980Third Year12,600Fourth Year14,750SAMPLE SIZESolutions:TOTAL

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Answered: 1. How many samples must be considered…

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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You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately 40%. You would like to be 99% confident that your estimate is within 4.5% of the true population proportion. How large of a sample size is required?
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You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately 69%. You would like to be 99% confident that your estimate is within 4.5% of the true population proportion. How large of a sample size is required?
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You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately 56%. You would like to be 98% confident that your estimate is within 3.5% of the true population proportion. How large of a sample size is required?
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1. How many samples must be considered from a population of 28,000 students, if 5% margin of error is to be used?(4* Solution: