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Let X represent the height a certain species of tree. Assume that distribution with a mean...

Let X represent the height a certain species of tree. Assume that distribution with a mean of 138.7 ft and a standard deviation of 9.9 ft. has a normal probability A tree of this type grows in my backyard, and it 107 feet callFind the probability that the height of a randomly selected tree is as tall as mine or shorter
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