median
don steward
mathematics teaching 10 ~ 16
Friday, 28 April 2017
unit fraction probability
from a problem posed by David Wells
a ppt is
here
possibly of more interest as a context for multiplying fractions (involving cancelling) than combined event probability (without replacement)
note that a particular subset of the unitary fractions: 1/4, 1/9, 1/16 ...
are impossible to achieve
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