雷哥网GMAT-【OG20-P284-355题】Jill has applied for a job with each of two differ_OG17新题

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【OG20-P284-355题】

Jill has applied for a job with each of two different companies. What is the probability that she will get job offers from both companies?

(1) The probability that she will get a job offer from neither company is 0.3.

(2) The probability that she will get a job offer from exactly one of the two companies is 0.5.

A

.Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
分析A选项
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B

.Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
分析B选项
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C

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
分析C选项
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D

EACH statement ALONE is sufficient.
分析D选项
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E

Statements (1) and (2) TOGETHER are NOT sufficient.
分析E选项
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当前版本由 Helen 更新于2018-10-17 23:46:06 感谢由 Helen 对此题目的解答所做出的贡献。

题干：P(one)+P(both)+P(neither)=1
条件1：P(one)未知，不充分
条件2：P(neither)未知，不充分
结合：P(both)=1-0.3-0.5，充分

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