Mathematics, 25.01.2021 09:30 thasen31

A forest ranger has data on the heights of a large growth of young pine trees. The mean height is 3.2 feet and the standard deviation 0.6 feet. A histogram shows that the distribution of heights is approximately normal. Approxi mately what fraction of the trees should we expect to be between 4.0 and 4.4 feet tall? A) 2% B) 7 % C ) 9\% D 91% E) 98%

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