Mathematics, 29.09.2019 16:50 0055babs
Suppose a brand of lightbulbs is normally distributed with a mean life of 1900 hours and a standard deviation of 50 hours. find the probability that a lightbulb will last between 1825 hours and 1980 hours
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Suppose a brand of lightbulbs is normally distributed with a mean life of 1900 hours and a standard...
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