Dominoes usually come
in sets where the ‘highest’ domino is either the ‘double 6’ or the
How many dominoes are
there in each of these sets ?
Choosing either of these
sets as your starting point, imagine picking out two dominoes completely at
The Problem :
What is the
probability that these two dominoes ‘match’ – ie the end of one matches at
least one of the ends of the other ?
If we call a set of dominoes whose highest is a ‘double 6’ a ‘6-pack’, can you find the probability that any two dominoes taken from an ‘N-pack’ will match ?
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