SAT, 20.05.2021 19:20, natpiink

The life expectancy of Timely brand watches is normally distributed with a mean of four years and a standard deviation of eight months. A what is the probability that a randomly selected watch will be in working condition for more than five years?

The life expectancy of Timely brand watches is normally distributed with a mean of four years and a

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The life expectancy of Timely brand watches is normally distributed with a mean of four years and a...