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Mathematics, 31.05.2020 01:02 mujithkalhan2762
Suppose compact fluorescent light bulbs last, on average, 11,500 hours. The distribution is normal and the standard deviation is 400 hours. What percent of light bulbs burn out within 12,300 hours?
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Suppose compact fluorescent light bulbs last, on average, 11,500 hours. The distribution is normal a...
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