Mathematics, 27.02.2020 03:33, cw112400

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 selected pine tree from this forest is at the 90th percentile, what is its diameter (rounded off to two decimal places) in 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...