by stupidityismygam » Sun Apr 05, 2009 12:14 am
Dave rolls a fair six-sided die until a six appears for the first time. Independently, Linda rolls a fair six-sided die until a six appears for the first time. Let [unparseable or potentially dangerous latex formula] and [unparseable or potentially dangerous latex formula] be relatively prime positive integers such that [unparseable or potentially dangerous latex formula] is the probability that the number of times Dave rolls his die is equal to or within one of the number of times Linda rolls her die. Find [unparseable or potentially dangerous latex formula]
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tytia