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[Data Sufficiency]
试题详情
题目：
A box of light bulbs contains exactly 3 light bulbs that are defective. What is the probability that a sample of light bulbs picked at random from this box will contain at least 1 defective light bulb?
- The light bulbs in the sample will be picked 1 at a time without replacement.
- The sample will contain exactly 20 light bulbs.
选项:
A、Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B、Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C、BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D、EACH statement ALONE is sufficient.
E、Statements (1) and (2) TOGETHER are NOT sufficient.
答案:
E
提问：
选的C 为啥合在一起也不对呀 因为box和sample不一样？
解答：
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提问：
选的C 为啥合在一起也不对呀 因为box和sample不一样？
解答：
点赞0
阅读140
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