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Mathematics, 18.10.2021 19:30 LoserMcBadface
An electrical company claims that the average life of the bulbs it manufactures is 1 300 hours with a standard deviation of 260 hours. if a random sample of 110 bulbs is chosen, what is the probability that the sample mean will be: a. greater than 1 160hours?
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An electrical company claims that the average life of the bulbs it manufactures is 1 300 hours with...
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