Laboratory tests show that the lives of
light bulbs are normally distributed with
a mean of 7...
Mathematics, 15.12.2020 21:00 emilykmorphew
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: 2
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