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GMAT Probability

by ejkiv

July 19, 2015

The reason that we covered combinations and permutations before GMAT probability is that the more difficult probability problems will use these concepts. Probability measures the likelihood that something will happen and will be measured in fractions or decimals. This is always expressed with a number that is between 0 and 1 inclusive. The foundation of probability comes from this equation: If you flip a coin, the probability of getting heads is .5 because there is one outcome out of 2 pos...

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