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zlopas [31]
3 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?
Mathematics
1 answer:
RUDIKE [14]3 years ago
4 0

Answer:

340%

Step-by-step explanation:

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