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Author Question: Twenty percent of the trees in a particular forest have a disease, 30 of the trees are too small to ... (Read 137 times)

justinmsk

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Twenty percent of the trees in a particular forest have a disease, 30 of the trees are too small to be used for lumber, and 40 are too small to be used for lumber or have a disease. What percent of the trees are too small to be used for lumber and have a disease? f a tree is too small to be used for lumber, what is the probability it has a disease?

Question 2

Twenty percent of the trees in a particular forest have a disease, 30 of the trees are too small to be used for lumber, and 40 are too small to be used for lumber or have a disease. What percent of the trees are too small to be used for lumber and have a disease? What percent of the trees are not too small to be used for lumber and do not have a disease?



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britb2u

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Answer to Question 1

0.333

Answer to Question 2

60





 

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