An engineer has designed a valve that will regulate water pressure on an automobile engine. The valve was tested on 190 engines and the mean pressure was 6.0 pounds/square inch (psi). Assume the population standard deviation is 0.8. If the valve was designed to produce a mean pressure of 6.1 psi, is there sufficient evidence at the 0.02 level that the valve does not perform to the specifications? Step 4 of 6: Find the P-value of the test statistic. Round your answer to four decimal places.
An engineer has designed a valve that will regulate water pressure on an automobile engine. The valve was tested on 190 engines and the mean pressure was 6.0 pounds/square inch (psi). Assume the population standard deviation is 0.8. If the valve was designed to produce a mean pressure of 6.1 psi, is there sufficient evidence at the 0.02 level that the valve does not perform to the specifications? Step 4 of 6: Find the P-value of the test statistic. Round your answer to four decimal places.
Chapter19: Externalities And Public Goods
Section: Chapter Questions
Problem 19.12P
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Transcribed Image Text:An engineer has designed a valve that will regulate water pressure on an automobile engine. The valve was tested on 190 engines and the mean pressure was 6.0
pounds/square inch (psi). Assume the population standard deviation is 0.8. If the valve was designed to produce a mean pressure of 6.1 psi, is there sufficient evidence at
the 0.02 level that the valve does not perform to the specifications?
Step 4 of 6: Find the P-value of the test statistic. Round your answer to four decimal places.
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