All airline passengers must pass through security screenings, but some are subjected to additional searches as well. Some travelers who carry laptops wonder if that makes them more likely to be searched. Data for 240 passengers aboard a cross-country flight are summarized in the table shown. Does it appear that being subject to an additional search is independent of carrying a laptop computer? Explain. Searched? Yes 60 No Laptop No laptop Total 84 144 40 56 96 100 140 240
All airline passengers must pass through security screenings, but some are subjected to additional searches as well. Some travelers who carry laptops wonder if that makes them more likely to be searched. Data for 240 passengers aboard a cross-country flight are summarized in the table shown. Does it appear that being subject to an additional search is independent of carrying a laptop computer? Explain. Searched? Yes 60 No Laptop No laptop Total 84 144 40 56 96 100 140 240
Chapter1: Financial Statements And Business Decisions
Section: Chapter Questions
Problem 1Q
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