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4. [3.03/9.09 Points] DETAILS PREVIOUS ANSWERS DEVORESTAT9 9.E.019.MI.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose /, and u, are true mean stopping distances at

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4. [3.03/9.09 Points] DETAILS PREVIOUS ANSWERS DEVORESTAT9 9.E.019.MI.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose /, and u, are true mean stopping distances at 50 mph for cars of a certain type equipped with two different types of braking systems. Use the two-sample t test at significance level 0.01 to test H: H, - /, = -10 versus Ha: , - #2

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