Mathematics, 25.11.2021 06:40 kaylam5599

Watch Out! Inc., a consumer organization wants to estimate the life of Extra-Strong light bulbs. With 35 randomly purchased bulbs, they find the mean life to be 998 hours, with standard deviation of 30 hours. Construct a 90% confidence interval for the mean life of bulbs. Interpret your result.

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Watch Out! Inc., a consumer organization wants to estimate the life of Extra-Strong light bulbs. Wit...

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