In the 2018 study Closing the STEM Gap, researchers wanted to estimate the percentage of middle school

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In the 2018 study Closing the STEM Gap, researchers wanted to estimate the percentage of middle school girls who planned to major in a STEM field.

a. If a 95% confidence level is used, how many people should be included in the survey if the researchers wanted to have a margin of error of 3%?

b. How could the researchers adjust their margin of error if they want to decrease the number of study participants?

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Introductory Statistics Exploring The World Through Data

ISBN: 9780135163146

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Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan

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Question Posted: Jul 14, 2021 03:54 AM

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In the 2018 study Closing the STEM Gap, researchers wanted to estimate the percentage of middle school

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Introductory Statistics Exploring The World Through Data

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