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Mathematics, 20.10.2020 16:01 gymnastics255
In a set of 25 aluminum castings, four castings are defective (D), and the remaining twenty-one are good (G). A quality control inspector randomly selects three of the twenty-five castings without replacement to test. The sample space for selecting the group to test contains elementary events.
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In a set of 25 aluminum castings, four castings are defective (D), and the remaining twenty-one are...
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