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15. What is the margin of error for a poll with a sample size of 3000 people? Round your answer to the nearest hundredth of a percent. %

15 What Is The Margin Of Error For A Poll With A Sample Size Of 3000 People Round Your Answer To The Nearest Hundredth Of A Percent class=

Sagot :

ANSWER:

1.83%

STEP-BY-STEP EXPLANATION:

We have that the formula for the margin of error is as follows:

[tex]e=\frac{1}{\sqrt[]{n}}\cdot100\text{\%}[/tex]

We plug in the value of the sample size and calculate the error value, like this:

[tex]\begin{gathered} e=\frac{1}{\sqrt[]{3000}}\cdot100\text{\%} \\ e=\frac{1}{54.77}\cdot100\text{\%} \\ e=1.8257\text{\% }\cong1.83\text{\%} \end{gathered}[/tex]

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