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October 24, 2014

October 24, 2014

Posted by **Yesenia** on Tuesday, March 1, 2011 at 7:59pm.

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We are willing to regard the wood pieces prepared for the lab session as an SRS of all similar pieces of Douglas fir. Suppose that the strength of pieces of wood like these follows a Normal distribution with standard deviation 3100 pounds.

Give a 95% confidence interval for the mean load required to pull the wood apart (give your answer with three decimal places).

95% confidence interval for the mean load is__________ to__________ .

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