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2 years ago

6

the amount of time a certain brand of light bulb lasts is normally distributed with a mean if 1800 hours and a standard deviatio

n of 85 hours. Using the empirical rule, what percentage of light bulbs last between 1630 hours and 1970 hours?

1 answer:

RUDIKE [14]2 years ago

4 0

Answer:

340%

Step-by-step explanation:

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