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Mathematics, 23.07.2019 04:30 kadenbaker4347

The lifetimes of light bulbs of a particular type are normally distributed with a mean of 210 hours 14) and a standard deviation of 5 hours. what percentage of the bulbs have lifetimes that lie within 1 standard deviation to either side of the mean

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The lifetimes of light bulbs of a particular type are normally distributed with a mean of 210 hours...
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