(a)
The margin of error.
The margin of an error is
Given:
The number of people in a survey is
Calculation:
The margin of an error can be calculated as:
Conclusion:
The margin of an error is
(b)
The interval that contains exact percent of online shoppers who shop due to convenience.
The interval is between
Given:
The number of people in a survey is
Calculation:
To calculate an interval, subtract and add the percent margin error from the given percentage of shoppers who shop online due to convenience.
Conclusion:
The interval is between
Chapter 6 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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- Algebra And Trigonometry (11th Edition)AlgebraISBN:9780135163078Author:Michael SullivanPublisher:PEARSONIntroduction to Linear Algebra, Fifth EditionAlgebraISBN:9780980232776Author:Gilbert StrangPublisher:Wellesley-Cambridge PressCollege Algebra (Collegiate Math)AlgebraISBN:9780077836344Author:Julie Miller, Donna GerkenPublisher:McGraw-Hill Education