An orange grower wishes to compute the average yield from her orchard. The orchard contains three varieties of trees: 52% of her trees are of variety A, 23% of variety B, and 25% of variety C. The orange grower takes a survey by sampling a certain number of trees of each variety.  suppose that in her survey, she found that each tree of variety A averages 120 oranges, each tree of variety B averages 70 oranges, and each tree of variety C averages 90 oranges. Estimate the average yield per tree of her orchard. Round to the nearest whole number.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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An orange grower wishes to compute the average yield from her orchard. The orchard contains three varieties of trees: 52% of her trees are of variety A, 23% of variety B, and 25% of variety C. The orange grower takes a survey by sampling a certain number of trees of each variety. 
suppose that in her survey, she found that each tree of variety A averages 120 oranges, each tree of variety B averages 70 oranges, and each tree of variety C averages 90 oranges. Estimate the average yield per tree of her orchard. Round to the nearest whole number. 

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