Mathematics, 27.06.2019 08:00, maggie2018

The ages of trees in a forest are normally distributed with a mean of 25 years and a standard deviation of 5 years. using the empirical rule, approximately what percent of the trees are between 20 and 30 years old? 32% 68% 95% 99.7%

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The ages of trees in a forest are normally distributed with a mean of 25 years and a standard deviat...