Mathematics, 20.10.2021 01:30 macimitchell

The amount of time a certain brand of lightbulbs last is normally distributed with a mean of 1700 hours asleep and a standard deviation of 45 hours using the empirical rule what percentage of lightbulbs last between‘s 1655 hours in 1745 hours

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The amount of time a certain brand of lightbulbs last is normally distributed with a mean of 1700 ho...