ONE QUESTION, ONE STEP
ZX-15412016A9Bluebook试题10 · 第 1 题
Bluebook试题10 · 原库模块 1 · Q1 原库参考解析
For a particular machine that produces beads, 29 out of every 100 beads it produces have a defect. A bead produced by the machine will be selected at random. What is the probability of selecting a bead that has a defect?
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