Ants collision
Probability
Level
2
There are 3 ants at 3 corners of a triangle, they randomly start moving towards another corner. What is the probability that they will collide?
0.85
0.5
0.75
0.25
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1 solution
There are 8 possible ways the ants can move around the triangle; 2 where they don't collide (where the ants are all moving in the same direction. 1 - Pr(not colliding) = 0.75