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Problem 3: An article reports that 30% of 100 watt GE light bulbs run at at least 105 Watts, and that 10% run at at

Problem 3: An article reports that 30% of 100 watt GE light bulbs run at at least 105 Watts, and that 10% run at at least 110 Watts. If wattage is normally distributed, what are the mean and variance

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