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March 4, 2015

Homework Help: college STATISTICS

Posted by HELP on Sunday, March 7, 2010 at 9:24pm.

Sample of 80 people randomly asked in casino shows that average lost per person is $160 with a standard deviation = $40. Based on this data create a 99% confidence interval for population mean. Does loss of $180 for single person contradict expectation? Explain your answer.

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