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3 years ago

13

Suppose a brand of lightbulbs is normally distributed with a mean life of 1900 hours and a standard deviation of 50 hours. Find

the probability that a lightbulb will last between 1825 hours and 1980 hours

1 answer:

Alexxandr [17]3 years ago

6 0

I am not sure exactly how to do it but based on my knowledge, I think the answer would be 1/38

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