Laboratory tests show that the lives of
light bulbs are normally distributed with
a mean...
Mathematics, 08.04.2020 05:06 josie311251
Laboratory tests 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 825 and 900
hours.
Answers: 3
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