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crackgmat007: Legendary Member; Posts: 882; Joined: Fri Feb 20, 2009 2:57 pm; Thanked: 15 times; Followed by:1 members; GMAT Score:690

by crackgmat007 » Mon May 18, 2009 11:53 am

Can someone solve this pls?

OA - E

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Source: Beat The GMAT — Data Sufficiency | Mon May 18, 2009 11:53 am

francopiccolo: Junior | Next Rank: 30 Posts; Posts: 26; Joined: Thu Dec 11, 2008 12:02 am; Thanked: 1 times

by francopiccolo » Mon May 18, 2009 5:24 pm

P(W OR E) = P(W) + P(E) - P(W AND E)

From (i), P(W AND E) = 0 NOT SUFF.

From (ii), P(W) - P(E) = 0,2 NOT SUFF.

Together, NOT SUFF.

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