February 21, 2017

Homework Help: Pre-calculus

Posted by Mary on Friday, January 23, 2009 at 11:56am.

Th weekly salaries of a sample of 100 recent graduates of a private women's college are normally distributed with a mean of $600 and a standard deviation of $80. Determine the interval about the sample mean that has a 1% level of confidence. Use t=2.58

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