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Mathematics, 30.11.2019 06:11 davidb1113

An engineer designed a valve that will regulate water pressure on an automobile engine. the engineer designed the valve such that it would produce a mean pressure of 5.2 pounds/square inch. it is believed that the valve performs above the specifications. the valve was tested on 160 engines and the mean pressure was 5.4 pounds/square inch. assume the variance is known to be 1.00. a level of significance of 0.01 will be used. determine the decision rule.

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An engineer designed a valve that will regulate water pressure on an automobile engine. the engineer...
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