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OpenStudy (anonymous):
Suppose that a travel bureau claims that the trees in a forest are 84 feet tall on average, with a standard deviation of 2 feet. If you took a sample of 64 trees, which of the following mean heights would be outside the 95% confidence interval? A. 84.2 feet B. 83.6 feet C. 84.4 feet D. 84.6 feet
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