a) What is the formula you will need to use?b) Complete the calculationsc) What is your final sample size? Flossing helps prevent tooth decay and gum disease. Reportssuggest that millions of Americans never floss. You want toconduct a sample survey to determine what percent of studentsat your university never floss. You obtain permission to use theuniversity roster to contact a simple random sample (SRS) ofstudents. You want to estimate the proportion p of students whonever floss with 90% confidence and a margin of error nogreater than 3% (0.03). Assume that the proportion ofindividuals who never floss is 27%. How large a sample do youneed?

here given , confidence level = 90% margin of error < 0.03 p = proportion of individuals who…

Answered: greater than 3% (0.03). Assume that the…

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 32%. You would like to be 95% confident that your estimate is within 2% of the true population proportion. How large of a sample size is required? n = Question Help: D Post to forum Submit Question 吴☆母 NOV 2 12 W 3D ロ
1. Calculate the water content (% by weight) of the sample.
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3. Do a trial with one person. Record your data in the table below. Name Ink Color Matches Word (seconds) Ink Color Doesn't Match Word (seconds) Average: Average: 4. Evaluate your method. What worked? Do you need to make any changes?

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greater than 3% (0.03). Assume that the proportion of individuals who never floss is 27%. How large a sample do you need?