In a survey, it was found that 80% of adults operate the flusher of toilets in public restrooms with their foot. (a) If 300 adults are randomly selected, how many would we expect to flush toilets in public restrooms with their foot? (b) Would it be unusual to observe 270 adults who flush toilets in public restrooms with their foot?
In a survey, it was found that 80% of adults operate the flusher of toilets in public restrooms with their foot. (a) If 300 adults are randomly selected, how many would we expect to flush toilets in public restrooms with their foot? (b) Would it be unusual to observe 270 adults who flush toilets in public restrooms with their foot?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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In a survey, it was found that 80% of adults operate the flusher of toilets in public restrooms with their foot.
(a) If 300 adults are randomly selected, how many would we expect to flush toilets in public restrooms with their foot?
(b) Would it be unusual to observe 270 adults who flush toilets in public restrooms with their foot?
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