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An engineer has designed a valve that will regulate water pressure on an automobile engine. The valve was tested on 270 engines and the mean pressure was 6.5 pounds/square inch (psi). Assume the population variance is 0.36. If the valve was designed to produce a mean pressure of 6.6 psi is there sufficient evidence at the 0.02 level that the valve performs below the specifications? Step 4 of 6: Find the P-value of the test statistic. Round your answer to four decimal places. AnswerHow to Enter) 2 Points Keypad
An engineer has designed a valve that will regulate water pressure on an automobile engine. The valve was tested on 270 engines and the mean pressure was 6.5 pounds/square inch (psi). Assume the population variance is 0.36. If the valve was designed to produce a mean pressure of 6.6 psi is there sufficient evidence at the 0.02 level that the valve performs below the specifications? Step 4 of 6: Find the P-value of the test statistic. Round your answer to four decimal places. AnswerHow to Enter) 2 Points Keypad
kshushant07Lv2
28 Mar 2023
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