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1) A tire manufacturer is considering a newly designed tread pattern for its all- weather tires that is supposed to decrease the stopping distance. The

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1) A tire manufacturer is considering a newly designed tread pattern for its all- weather tires that is supposed to decrease the stopping distance. The tread that is currently used has a mean stopping distance of 125 feet. a) What would be the null and alternative hypothesis for testing whether the new tread has an average stopping distance less than 125 feet

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