Question

In a USA Today poll of 737 respondents, 92% said that they do not open unfamiliar e-mail and instant-message links. Use a 0.01 significance level to test the claim that more than 75% of us do not open unfamiliar e-mail and instant-message links. How is the validity of the results affected by the knowledge that USA Today posted a question on its web site, and 737 people chose to respond?


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  • CreatedMay 03, 2015
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