Mathematics, 30.11.2019 06:11 davidb1113

# 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 5.2 pounds/square inch. it is believed that the valve performs above the specifications. the valve was tested on 160 engines and the mean pressure was 5.4 pounds/square inch. assume the variance is known to be 1.00. a level of significance of 0.01 will be used. determine the decision rule.

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Jacks piece of blue ribbon is 9 centimeters long. write and solve an equation to find the length of his red ribbon.

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What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

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At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250

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

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