basis and confidence intervals

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Question

In a manufacturing process a random sample of 36 bolts manufactured has a mean length of 3 inches with a standard deviation of .3 inches. What is the 99% confidence interval for the true mean length of the bolt? 2.902 to 3.098 2.884 to 3.117 2.865 to 3.136 2.228 to 3.772 2.465 to 3.205 May 09 2012 05:49 PM

 

Solution ID:608831 | This paper was updated on 26-Nov-2015

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