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Mathematics, 20.06.2020 06:57 Robinlynn228

The lifespan of a certain electronic toy is normally distributed, with a mean of 3000 hours and a standard deviation of 35 hours. Use the empirical rule to estimate the
probability that a randomly chosen toy has a lifespan between 2930 and 3070.
A) 68%
B) 95%
C) 97.5%
D) 99.7%

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