estimated that 80% of people with type 2 diabetes are overweight. You want to do a study on type 2 diabetics. What is the minimum sample size you will need to estimate the true proportion of people with type 2 diabetes who are overweight to be 85% confident with a margin of error of at

estimated that 80% of people with type 2 diabetes are overweight. You want to do a study on type 2 diabetics. What is the minimum sample size you will need to estimate the true proportion of people with type 2 diabetes who are overweight to be 85% confident with a margin of error of at

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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Question

It is estimated that 80% of people with type 2 diabetes are overweight. You want to do a study on type 2 diabetics.

What is the minimum sample size you will need to estimate the true proportion of people with type 2 diabetes who are overweight to be 85% confident with a margin of error of at most 4.63%? (Use a table or SALT.)

Definition Definition Number of subjects or observations included in a study. A large sample size typically provides more reliable results and better representation of the population. As sample size and width of confidence interval are inversely related, if the sample size is increased, the width of the confidence interval decreases.

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