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2 May, 00:36

intext:"A quality control engineer wishes to perform an estimate of the average amount a machine is filling a can. He knows the distribution is normal and wants to be accurate within. 05 oz and knows the standard deviation is 1.1 oz. If he will be performing a 99% confidence interval, what size sample does he need?"

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  1. 2 May, 04:31
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    if you report this you're a clown
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