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Efficient manufacturing: Efficiency experts study the processes used to manufacture items i order to make them as efficient a
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solution - Given that & Sample ) 355 mean (u) = 500 CD =8 * Part -2 we find qui cf for the mean time needed 997. z critical V. = (10.453332 109.272 H o A sample gite of (109) is needs in order to obtain a 95%. interval with a margin of error of 1.5.

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