Mathematics, 06.11.2021 02:40 chem64
1. A forest products company claims that the amount of usable lumber in its harvested trees averages 172 cubic feet and has a standard deviation of 12.4 cubic feet. Assume that these amounts have approximately a normal distribution. a. What proportion of trees contains more than 150 cubic feet
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1. A forest products company claims that the amount of usable lumber in its harvested trees averages...
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