Recent content by MikeT

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    Probability puzzle debate

    Which is 20 gold coins out of 90 coins total (as above) - or should it be 20 gold coins out of 40 coins in the leather bag?
  2. M

    Probability puzzle debate

    P(A&B) = 20/90 P(B) = 40/90 P(A|B) = 50% ....... which (I think) uses the same methodology as answer two.
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    Probability puzzle debate

    During the current lockdown, our quiz group has been entertaining ourselves with various puzzles. A probability from Le Monde newspaper has engendered considerable debate amongst our little group. Since none of us are statisticians I'd like to ask the forum for their opinion on the two contested...