A forester measured 28 of the trees in a large woods that is up for sale. He found a mean diameter of 10.4 inches and a standard deviation of 4.4 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. A. B. C. b) What size would you expect the central 68% of all tree diameters to be? Using the 68-95-99.7 rule, the central 68% of the tree diameters are between ____ inches and _____ inches. (Do not round. Type integers or decimals.) c) About what percent of the trees should have diameters below 1.6 inches? Using the 68-95-99.7 rule, about _____ % of the trees should have diameters below 1.6 inches. (Do not round. Type an integer or a decimal.) Click to select your answer(s).