SOLVED: Assume the brightness of a 100-watt light bulb is approximately normally distributed with an average brightness of 1640 lumens and a standard deviation of 62 lumens. We want to use the
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SOLVED: A 100-watt light bulb has an average brightness of 1640 lumens, with a standard deviation of 62 lumens. a. What is the probability that a 100-watt light bulb will have a
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