P(D and R) = N of ways to pick a D sword * N of ways to pick a R sword/All Ways to pick 2 swords from 10 swords (10C2)
8 x 3 / (10*9/2 )
Astreo L.
asked • 04/10/22LOTR Probability Question
In an adventure, Thranduil has five ruby swords, three diamond swords, and two elven swords. From his travel an orc suddenly appeared, he pulls out two swords at random. Find the probability that one sword is a diamond sword, and the other one is a ruby sword.
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