请教GWD一道数学题

gmatziyu · 发表于 2010-2-28 16:23:59

各位战友们，请问此题为什么是 E 呢？

If 2 different representatives are to be selected at randomfrom a group of 10 employees and if p is the probability that bothrepresentatives selected will be women, is p > 1/2?
(1) More than 1/2 of the 10 employeesare women.
(2) The probability that bothrepresentatives selected will be men is less than 1/10.

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, butNEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOTsufficient.

请教GWD一道数学题

所属分类: GMAT考试

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