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(09.05) 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? (2 points)
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Feb 26, 2021
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(09.05)
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? (2 points)
10.56%
68.32%
78.87%
89.44%
Mathematics
high-school
Pawan Joshi
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Pawan Joshi
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The answer is 78.87, sorry for being late.
Shivam Pokhriyal
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Mar 4, 2021
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Shivam Pokhriyal
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