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Formal hypothesis test on collected sample

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A supplier has agreed to provide the manager of a large office complex with light bulbs that he claims will last more than 1,000 hours. Twenty bulbs are randomly selected and tested by the office complex's maintenance. Describe the Type I error that can be made in relation to this context of the number of hours the bulb lasted if testing this claim through a formal hypothesis test on collected sample data.

Reference no: EM132188230

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