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9 November, 05:58

The ages of trees in a forest are normally distributed with a mean of 25 years and a standard deviation of 4. Approximately what percent of the trees are between 20 and 30 years old?

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  1. 9 November, 07:44
    0
    The percentage that the trees are between 20 and 30 years old, base on the data you have given and by graphing its information, the percentage would be 78.88%. I hope you are satisfied with my answer and feel free to ask for more
  2. 9 November, 07:50
    0
    The correct answer is:

    C: 78.87%
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