Wednesday, August 10, 2011

Lottery probability question?

There are 36 possible first picks. And for every possible first pick there are 35 possible second picks. So the number of possible combinations is 36 x 35. You have 1 chance in 1,260 of guessing which two will be picked and which order they'll be picked in. (If you don't have to guess the order, your chances are twice as good, 1 in 630, since there are two possible ways to pick each two-ball combination.)

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