Mathematics, 16.04.2020 21:01 chops85
A company that sells pens knoews that the numvers of says those pens last when used in an office is normally distirubted witha standard deviation of 5 days. how many pens do they need to sample if they want to create a 95% confidence interval of the average nubmer of days with an error of /- 2
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A company that sells pens knoews that the numvers of says those pens last when used in an office is...
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