Mathematics, 13.04.2020 10:26 rebeckas0102
Laboratory test shows that the lives of lightbulbs are normally distributed with a mean of 750 hours in a standard deviation of 75 hours. Find the probability that a randomly selected light bulb last between 825 and 900 hours
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Laboratory test shows that the lives of lightbulbs are normally distributed with a mean of 750 hours...
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