A laminated item is composed of five layers. The layers are a simple random sample from a

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A laminated item is composed of five layers. The layers are a simple random sample from a population whose thickness has mean 1.2 mm and standard deviation 0.04 mm.

a. Find the mean thickness of an item.

b. Find the standard deviation of the thickness of an item.

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Statistics For Engineers And Scientists

ISBN: 9780073401331

4th Edition

Authors: William Navidi

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Question Posted: Nov 02, 2018 08:30 AM

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A laminated item is composed of five layers. The layers are a simple random sample from a

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Statistics For Engineers And Scientists

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