Mathematics, 22.01.2021 20:30 payshencec21

The amount of time a certain brand of light bulb lasts is normally distributed with a mean of 1700 hours and a standard deviation of 45 hours. Using the empirical rule,
what percentage of light bulbs last between 1655 hours and 1745 hours?

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The amount of time a certain brand of light bulb lasts is normally distributed with a mean of 1700...