![]() If she were holding five coins, it would be true (if misleading) for her to say she is holding two coins. We don't know if she has more than two coins. Of these six possibilities, S2/J3 is the only one in which Mr Jones has more gold coins than Ms Smith.Īnd if my final answer is wrong, I expect to still get points for showing my working. (I worry that there's going to be some sneaky probability thing that means that "the one on top is gold and so is the one on the bottom" and the "the one on the bottom is gold and so it the one on top" count as two separate possibilities, but for the moment I choose to ignore it.) This means, I think, that there are three possibilities: that only the top one is gold, that only the bottom one is gold, or that both are gold. ![]() Mr Jones has two coins, and at least one is gold. ![]() We can call these S1 (in which Ms Smith has 2 gold coins) and S2 (in which Ms Smith has 1 gold coin). This means there are two possibilities: that the one on the bottom is also gold or that the one on the bottom is not gold. Ms Smith has two coins, and the one on top is gold.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |