In describing the findings of a 2010 Public ReligionResearch Institute poll, the researchers reported a 3%margin of error at a 95% confidence level. If instead theyhad used a 99% confidence level, their margin of errorwould have been:A) still 3%, because the same sample is used.B) more than 3%, because they reported greaterconfidence.C) less than 3%, because they reported greaterconfidence.D) more than 3%, because this sample is too small.E) less than 3%, because this sample is too small.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
Section: Chapter Questions
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In describing the findings of a 2010 Public Religion
Research Institute poll, the researchers reported a 3%
margin of error at a 95% confidence level. If instead they
had used a 99% confidence level, their margin of error
would have been:
A) still 3%, because the same sample is used.
B) more than 3%, because they reported greater
confidence.
C) less than 3%, because they reported greater
confidence.
D) more than 3%, because this sample is too small.
E) less than 3%, because this sample is too small.

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