Laboratory tests show that the lives of
light bulbs are normally distributed with
a mean of 7...
Mathematics, 28.06.2020 07:01 hemaam8
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 600 and 750
hours.
Answers: 2
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