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monitta
3 years ago
8

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
Mathematics
1 answer:
satela [25.4K]3 years ago
5 0
The answer to the math probability question you are presenting above would be .475 or (47.5%). The value of 3 years multiplied by 1000 would equal to 3000, thus the person will listen to music 3000 hours a year - which is two standard deviations than the mean. Following the empirical rule, the answer would be .475.
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