Mathematics, 05.05.2020 16:27 angelicf394

Laboratory tests show that the lives of light bulbs are normally distributed with a mean of 750 hours and a standard deviation 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 825 and 900 hours. ( In percentage )

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Laboratory tests show that the lives of light bulbs are normally distributed with a mean of 750 hour...