A forester measured 23 of the trees in a large woods that is up for...
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A forester measured 23 of the trees in a large woods that is up for sale He found a mean diameter of 10 9 inches and a standard deviation of 4 2 inches Suppose that these trees provide an accurate description of the whole forest and that a Normal model applies a Choose the correct Normal model for tree diameters OA M 20 pre Ap 20 17 25 67 109 15 1 103 215 a Be 1 20 36 a G b What size would you expect the central 95 of all tree diameters to be Using the 68 95 99 7 rule the central 95 of the tree diameters are between inches and inches Do not round Type integers or decimals O C 109151 193 as 27
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