the web to determine the estimated
number of telephones in your state. If you
know the number of households
in your state, what conclusions can you reach about the
number of telephones per household?
Search for "Pigeonhole
Principle" on the web.
Search the web or look in an
encyclopedia to find the average number of hairs on
a human head. Considering this information, do
you think there are at least two people with the same
number of hairs on their heads in your town?
What about when your local stadium is filled?