Mathematics, 30.10.2020 17:20 paulesparsa6

For questions 2 and 3. It is known that the mean diameter of pine trees in a national forest is 9.6 (inches) with a standard deviation 2.4 (inches). Assuming that the tree diameters are distributed normally. If a pine tree is to be selected randomly from this forest, what is the probability that its diameter will fall between 7.2 inches and 14.4 inches?

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For questions 2 and 3. It is known that the mean diameter of pine trees in a national forest is 9.6...