Mathematics, 14.12.2021 03:40, pmbeachy3102

4.43 Spam mail counts: The 2004 National Technology Readiness Survey sponsored by the Smith School of Business at the University of Maryland surveyed 418 randomly sampled Americans, asking them how many spam emails they receive per day. The survey was repeated on a new random sample of 499 Americans in 2009.44

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4.43 Spam mail counts: The 2004 National Technology Readiness Survey sponsored by the Smith School o...