In a set of 10 aluminum castings, two castings are defective (D), and the remaining eight are good (G).A quality control inspector randomly selects three of the ten castings with replacement and classifies each as defective (D)or good (G).How large is the sample space?
A)1,000
B)720
C)100
D)10
E)3

Question

Quizplus · Accepted Answer

The sample space is 10^3 = 1,000 because each of the three selections can be any of the 10 castings, and selections are made with replacement.

In a Set of 10 Aluminum Castings, Two Castings Are