Fewer than 91% of adults have a cell phone. In a reputable poll of 1230 adults, 81% said that they have a cell phone. Find the value of the test statistic, rounding two decimals.
Fewer than 91% of adults have a cell phone. In a reputable poll of 1230 adults, 81% said that they have a cell phone. Find the value of the test statistic, rounding two decimals.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter7: Percents
Section7.3: Percents And Decimals
Problem 17C
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Fewer than 91% of adults have a cell phone. In a reputable poll of 1230 adults, 81% said that they have a cell phone. Find the value of the test statistic, rounding two decimals.
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