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Mathematics, 23.01.2020 18:31 poolwaterisgross
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 6.3 pounds/square inch. it is believed that the valve performs above the specifications. the valve was tested on 130 engines and the mean pressure was 6.5 pounds/square inch. assume the standard deviation is known to be 0.8. a level of significance of 0.02 will be used. determine the decision rule. enter 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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