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In a Set of 12 Aluminum Castings, Two Castings Are

Question 29

Multiple Choice

In a set of 12 aluminum castings, two castings are defective (D) , and the remaining ten are good (G) .A quality control inspector randomly selects three of the twelve castings with replacement to test.The sample space for selecting the group to test contains __________ elementary events.


A) 8
B) 220
C) 120
D) 10
E) 66

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