12 5 A brass washer and a mica washer are to be assembled one on top of the other For the former m0 1155, s0 00045 in , whereas for the latter m0 0832, s0 00180 in Find m and s for the combined thickness What assumptions were needed Assuming normality, set 3u limits for the combined thickness ...

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12.5. A brass washer and a mica washer are to be assembled one on top of the...

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12.5. A brass washer and a mica washer are to be assembled one on top of the other. For the former m¼0.1155, s¼0.00045 in., whereas for the latter m¼0.0832, s¼0.00180 in. Find m and s for the combined thickness. What assumptions were needed? Assuming normality, set 3u limits for the combined thickness.

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