A light bulb manufacturer claims that the lifetime of the bulbs is normally distributed with a mean of 5000 hours and a standard

Question

3 years ago

11

A light bulb manufacturer claims that the lifetime of the bulbs is normally distributed with a mean of 5000 hours and a standard

deviation of 250 hours. If 20000 bulbs are produced on a particular day, what percentage of the bulbs will have a lifetime of between 4750 and 5500 hours?

Mathematics

1 answer:

daser333 [38] · Answer 1 · 2022-06-16T00:24:09+03:00

daser333 [38]3 years ago

8 0

Answer:

88

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