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What is the probability that a randomly selected pecan

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The heights of pecan trees are normally distributed with a mean of 10 feet and a standard deviation of 2 feet.

(a) What is the probability that a randomly selected pecan tree is between 9 and 12 feet tall? (round the answer to 4 decimal places)

(b) Find the 80th percentile of the pecan tree height distribution. (round the answer to 2 decimal places)

Reference no: EM131974788

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