12 8 Five pieces are assembled on a shaft, two of the first kind with m2 0140, s0 0014, two of a second kind with m3 2061, s0 0012, and one of a third kind with m3 8402, s0 0022 (all in inches) For total length w, use w x1x2x5, since random assembly is to be used What are m and s for length w, and ...

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12.8. Five pieces are assembled on a shaft, two of the first kind with m2.0140, s0.0014, two...

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12.8. Five pieces are assembled on a shaft, two of the first kind with m¼2.0140, s¼0.0014, two of a second kind with m¼3.2061, s¼0.0012, and one of a third kind with m¼3.8402, s¼0.0022 (all in inches). For total length w, use w¼ x1þx2þþx5, since random assembly is to be used.
What are m and s for length w, and what 3s limits can it meet? Are these limits narrower than we would find using the five maximum limits 2.0140þ3(0.0014), etc., and the five minimum limits?

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