The National Safety Board predicts that 500 people will be killed and another 25,000 will be injured on a highway in order to welcome the new year. The National Safety Board claims that 50% of accidents are caused by drunk drivers. A sample of 120 accidents showed that 67 of them were caused by drunk drivers. Use = 0.05 to test the statement from the National Safety Board.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
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The National Safety Board predicts that 500 people will be killed and another 25,000 will be injured on a highway in order to welcome the new year. The National Safety Board claims that 50% of accidents are caused by drunk drivers. A sample of 120 accidents showed that 67 of them were caused by drunk drivers. Use = 0.05 to test the statement from the National Safety Board.
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