Please do not sit and answer this question if you do not know what you are doing. Too many wrong answers on my portal and I really need help According to the results of a survey, 39% of 213 people indicated that American football is their favorite sport. Assuming that the percentage remains the same,how many more people should be surveyed to have a margin of error of 4%? Round up to the nearest whole number, if necessary.In order to have a margin of error of 4%, you need to surveymore people.

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Description: Please do not sit and answer this question if you do not know what you are doing. Too many wrong answers on my portal and I really need help According to the results of a survey, 39% of 213 people indicated that American football is their favorite sp

The formula for the sample size is as given below: n=p1-pZα2E2 Here, zα/2 is the critical value at…

Answered: According to the results of a survey,…

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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Please do not sit and answer this question if you do not know what you are doing. Too many wrong answers on my portal and I really need help

According to the results of a survey, 39% of 213 people indicated that American football is their favorite sport. Assuming that the percentage remains the same,
how many more people should be surveyed to have a margin of error of 4%? Round up to the nearest whole number, if necessary.
In order to have a margin of error of 4%, you need to survey
more people.

Expert Solution

Step 1

The formula for the sample size is as given below:

$n = p (1 - p) {(\frac{Z_{\frac{α}{2}}}{E})}^{2}$

Here, z_α/2 is the critical value at (1-α)% confidence level, p is the population proportion and E is the margin of error.

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