typo
In this case, we could also just multiply the probability of one person having KK by 9 to get 9*(6/1225) = 4.4% or 1 in 22.7. As we shall see, this is even closer to the exact answer which turns out to be 1 in 22.77. The only reason this is approximate is that it double counts the cases of two people having KK
Replace the KKs with AA.
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