Mathematics, 24.03.2020 02:20 Jordandenzel

If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, use the 68-95-99.7 rule to approximate the percentage of light bulbs having a life between 3000 hours and 3500 hours.

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If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard dev...

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