Suppose you were the manufacturer of a new and improved light bulb that you claim has an average ser

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Suppose you were the manufacturer of a new and improved light bulb that you claim has an average service life more than twice the life of your nearest competitor’s product. You want to test your product to be sure. You test 500 of your bulbs in the lab and find that the average life of your bulbs is 2021 hours. Your competitor claims an average service life of 1000 hours. What hypotheses would you test? State the null and alternative hypotheses both verbally and algebraically.

Note: Please do not try to actually complete this hypothesis test. You can’t do it, because I don’t have the necessary data. Even if I had the necessary data, the scenario was carefully chosen for which I do not know the mathematical equation for the test statistic. For that matter, I’m not sure I know it — there may not be one. This specific scenario serves as an exercise in correctly forming hypotheses. If you can correctly form these hypotheses, you can probably set up any hypothesis test correctly.

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