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Mathematics, 01.07.2020 19:01, aronandalp3yep6
The valve was tested on 270 engines and the mean pressure was 6.6 lbs/square inch. Assume the variance is known to be 0.49. If the valve was designed to produce a mean pressure of 6.5 lbs/square inch, is there sufficient evidence at the 0.1 level that the valve does not perform to the specifications
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The valve was tested on 270 engines and the mean pressure was 6.6 lbs/square inch. Assume the varian...
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