Mathematics, 08.04.2021 19:40 missmontgomery21
A company selling light bulbs claims in its ads that their average life is 1000 hours. In fact, the life span of these light bulbs is normally distributed with a mean of 1000 hours and a standard deviation of 100 hours. What is the probability that a randomly chosen light bulb will last between 1000 and 1100 hours?
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A company selling light bulbs claims in its ads that their average life is 1000 hours. In fact, the...
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