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Mathematics, 18.12.2019 07:31 ronniethefun
More thanan engineer has designed a valve that will regulate water pressure on an automobile engine. the valve was tested on 120 engines and the mean pressure was 5 lbs/square inch. assume the variance is known to be 1. if the valve was designed to produce a mean pressure of 5.1 lbs/square inch, is there sufficient evidence at the 0.02 level that the valve performs below the specifications? state the null and alternative hypotheses for the above scenario. answer
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More thanan engineer has designed a valve that will regulate water pressure on an automobile engine....
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