A magazine provided results from a poll of 1000 adults who were asked to identify their favorite pie. Among the 1000 ​respondents, 14​% chose chocolate​ pie, and the margin of error was given as ±4 percentage points. Given specific sample​data, which confidence interval is​ wider: the 99​% confidence interval or the 80​% confidence​ interval? Why is it​ wide

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A magazine provided results from a poll of

1000

adults who were asked to identify their favorite pie. Among the

1000

​respondents,

14​%

chose chocolate​ pie, and the margin of error was given as

±4

percentage points. Given specific sample​data, which confidence interval is​ wider: the

99​%

confidence interval or the

80​%

confidence​ interval? Why is it​ wider?

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