If [unparseable or potentially dangerous latex formula] and [unparseable or potentially dangerous latex formula] are three (not necessarily different) numbers chosen randomly and with replacement from the set [unparseable or potentially dangerous latex formula] the probability that [unparseable or potentially dangerous latex formula] is even is
[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]