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Tests show that the lives of light bulbs are normally distributed with a mean of 750 hours and a standard deviation of 75 hours.
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 750 and 900 hours. 99.7%- 95%- 68% 525 600 675 750 825 900 975 P = [?]% Enter
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Exploring Geometry
Authors: Michael Hvidsten
2nd Edition
1498760821, 9781498760829
