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

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Statistics

An engineer designed a valve that will regulate water pressureon an automobile engine. The engineer designed the valve such thatit would produce a mean pressure of 5.95.9 pounds/square inch. Itis believed that the valve performs above the specifications. Thevalve was tested on 110110 engines and the mean pressure was 6.06.0pounds/square inch. Assume the variance is known to be 0.360.36. Alevel of significance of 0.10.1 will be used. Determine thedecision rule.

Enter the decision rule.

Answer & Explanation Solved by verified expert
3.7 Ratings (590 Votes)
Given that population meanu59 standard deviation sqrt036 06 sample mean x 6 number n110 null Ho 59 alternate H1 59 level of significance alpha 01    See Answer
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