Question 5 A company manufactures light bulbs that have a li…
Question 5 A company manufactures light bulbs that have a lifespan that is normally distributed with a mean (μ) of 1200 hours and a standard deviation (σ) of 75 hours. How long would a randomly selected lightbulb need to last (in hours) in order to reach the 60th percentile for lifespans?
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