Mathematics, 14.04.2020 21:28, andr8aa
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 7.97.9 pounds/square inch. It is believed that the valve performs above the specifications. The valve was tested on 1616 engines and the mean pressure was 8.28.2 pounds/square inch with a standard deviation of 0.50.5. A level of significance of 0.010.01 will be used. Assume the population distribution is approximately normal. Determine the decision rule for rejecting the null hypothesis. Round your answer to three decimal places.
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Mathematics, 21.06.2019 13:30, ellyssabailey2006
Volume of a cylinder with a radius of 13 in and height of 30 in
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Mathematics, 21.06.2019 18:00, cexe2630
The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old
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Mathematics, 21.06.2019 18:00, nanny2204p4ipj9
Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?
Answers: 1
An engineer designed a valve that will regulate water pressure on an automobile engine. The engineer...
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