gmatguy16 Master | Next Rank: 500 Posts View User Profile Posts: 124 Joined: Thu Aug 23, 2007 5:11 am Thanked: 2 times by gmatguy16 » Thu Dec 06, 2007 3:11 pm imo b 1/4 ..whats oa? p(all 3 heads)=1/8 p(all 3 tails)=1/8 hence the answer Top Quote
