Mathematics, 20.08.2019 22:10, namira16
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 5.4 pounds/square inch. it is believed that the valve performs above the specifications. the valve was tested on 9 engines and the mean pressure was 5.7 pounds/square inch with a variance of 0.81. a level of significance of 0.025 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.
Answers: 3
Mathematics, 21.06.2019 21:00, babyboo6745
Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. what could you find the answer?
Answers: 1
Mathematics, 21.06.2019 22:30, noathequeen
James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?
Answers: 1
An engineer designed a valve that will regulate water pressure on an automobile engine. the engineer...
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