Mathematics, 04.12.2019 04:31 payshencec21
An engineer has designed a valve that will regulate water pressure on an automobile engine. the valve was tested on 100100 engines and the mean pressure was 7.27.2 lbs/square inch. assume the variance is known to be 0.810.81. if the valve was designed to produce a mean pressure of 7.37.3 lbs/square inch, is there sufficient evidence at the 0.010.01 level that the valve does not perform to the specifications? state the null and alternative hypotheses for the above scenario.
Answers: 3
Mathematics, 21.06.2019 16:30, jlewis711777
What are “like terms”? why can we only add like terms?
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