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Mathematics, 26.11.2020 01:00 s61371

The heights of mature Western sycamore trees (platanus racemosa, a native California plant) follow a normal distribution with average height 55 feet and standard deviation 15 feet. Answer using four place decimals. Find the probability a single mature Western sycamore tree, chosen at random, has a height greater than 65 feet. Find the probability a random sample of four mature Western sycamore trees has a mean height greater than 65 feet. Find the probability a random sample of ten mature Western sycamore trees has a mean height greater than 65 feet.

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