Mathematics, 21.04.2021 18:10 johnmarston60

A component in a music system has a life expectancy of 2,400 hours with a standard deviation of 300 hours. If an average person listens to music for 1,000 hours in a year, the probability that the component lasts for more than 3 years is approximately .0227 %.

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A component in a music system has a life expectancy of 2,400 hours with a standard deviation of 300...