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Kyan: Your answer is correct. Here's how I figure it-- Just as in the original example on page 190, we take the individual probabilities of each draw (in this case GREEN, then GREEN, then BLUE) and multiply them together. (5/16) * (4/15) * (7/14) = 1/24 Notice that for the probability of getting a g...

by David Chong

Thu Nov 29, 2012 12:41 pm
Forum: Quantitative Reasoning
Topic: Combinatorics and The Domino Effect
Replies: 1
Views: 2081

Lauren: The approach that you are taking to the problem is an effective one. The difficulty you are encountering is a matter of mechanics. For example: 0.00667 DOES NOT EQUAL (1/6) * (10^-5) Since 1/6 = 0.1667, it follows that: (1/6) * (10^-5) = 0.000001667 You'll want to get good at recognizing dec...