TestMagic Forums - View Single Post - A complete guide to Permutation, Combination and Probability. All you need for GMAT

TwinnSplitter · 2005 April 24th, 01:40 AM

Hi prometheus, the trick in this question is that 3 IS an odd number, so they're trying to get you to double count it. The probability of getting a 3 is already included in calculating the probability of getting an odd number, and thus the answer is 1/2. Hope that makes sense.

2005 April 24th, 01:40 AM	#21 (permalink)
TwinnSplitter Within my grasp! Join Date: Dec 2004 Location: Chicago Posts: 421	Re: A complete guide to Permutation, Combination and Probability. All you need for GMAT Hi prometheus, the trick in this question is that 3 IS an odd number, so they're trying to get you to double count it. The probability of getting a 3 is already included in calculating the probability of getting an odd number, and thus the answer is 1/2. Hope that makes sense.