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Five women live together in an apartment Two have blue eyes If two of the women are chosen at random what is the probability that they both have blue eyes?
well lets look at the probability on your first pick you will get a blue eyed girl
2 have blue out of 5, so yo uhave a 2/5 chance, or 40%
on your second pick, there are 4 girls left, and one of them will have blue eyes now
1 have blue out of 4, so 1/4 or 25%
so you multiply the two probabilities to get your final sequential probability
2/5 * 1/4
find a common denominattor, for this we will use 20
8/20 * 5/20 = 40/400
simplify it you get 1/10 0.10, or 10% chance
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