Mathematics, 07.01.2021 03:00 paaoolav
Laboratory test show that the lives of light bulbs are normally distributed with a mean of 750 hours and a standard deviation of 75 hours. Find the probability that a randomly selected light bulb will last between 600 to 750 hours. ?%
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Laboratory test show that the lives of light bulbs are normally distributed with a mean of 750 hours...
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