Question: The following table provides data on wafers categorized by location and contamination levels. Let A denote the event that contamination is low, and let B

The following table provides data on wafers categorized by location and contamination levels. Let A denote the event that contamination is low, and let B denote the event that the location is center. Are A and B independent? Why or why not?

Location in Sputtering Tool Center 514 112 Contamination Low High Total Total 582 358 Edge 68 246 314 626

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