Based on information from the National Cyber Security Alliance, 93% of computer owners believe that they have

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Based on information from the National Cyber Security Alliance, 93% of computer owners believe that they have antivirus programs installed on their computers. In a random sample of 400 scanned computers, it is found that 380 of them (or 95%) actually have antivirus programs. Use the sample data from the scanned computers to test the claim that 93% of computers have antivirus programs.

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Statistical Reasoning For Everyday Life

ISBN: 978-0134494043

5th Edition

Authors: Jeff Bennett, William Briggs, Mario Triola

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