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need help in this The average life expectancy of tires produced by the Whitney Tire Company has been 40,000 miles. Management believes that due to

need help in this

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The average life expectancy of tires produced by the Whitney Tire Company has been 40,000 miles. Management believes that due to a new production process, the life expectancy of its tires has increased. In order to test the validity of this belief, the correct set of hypotheses is Select one: O a. Ho: U > 40,000; H1: U 40,000 O c. Ho: U > 40,000; H1: U 40,000

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