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Mathematics, 05.05.2020 01:21 k11kiki
A new type of lightbulb has an average lifespan of 1200 hours with a standard deviation of 75 hours. Use the table to find the probability that a lightbulb chosen at random will last less than 1170 hours.
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A new type of lightbulb has an average lifespan of 1200 hours with a standard deviation of 75 hours....
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