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A manufacturing company produces electric insulators. You define the variable of interest as the strength of...

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Basic Math

A manufacturing company produces electric insulators. You definethe variable of interest as the strength of the insulators. If theinsulators break when in? use, a short circuit is likely. To testthe strength of the? insulators, you carry out destructive testingto determine how much force is required to break the insulators.You measure force by observing how many pounds are applied to theinsulator before it breaks. The data shown below represent theamount of force required to break a sample of 30 insulators.Complete parts a through c below. 9 10 7 7 15 19 22 24 15 35 15 3025 22 30 31 28 29 39 62 10 6 42 40 15 22 23 24 25 25 Construct a99?% confidence interval for the population mean force.

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