Mathematics, 27.06.2020 21:01 natem725
The Wall Street Journal reported that automobile crashes cost the United States $162 billion annually (2008 data). The average cost per person for crashes in the Tampa, Florida, area was reported to be $1599. Suppose this average cost was based on a sample of 100 persons who had been involved in car crashes and that the population standard deviation is σ=$500. What the sample size would you recommend if the study required a 98% confidence level and a margin of error of $120 or less?
Answers: 3
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The Wall Street Journal reported that automobile crashes cost the United States $162 billion annuall...
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