There are 3 ants at 3 corners of a triangle, they randomly
start moving towards another corner. What is the
probability that they don't collide?
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Answer Posted / sandeep reddy
To prevent collision ants have to move in this particular way
A-->B,B-->C,C-->A ; probability=(1/2*1/2*1/2)
in opp direction
A-->C,C-->B,B-->A ; probability=(1/2*1/2*1/2)
probability that the ants doesnt coincide=
(1/2*1/2*1/2)+(1/2*1/2*1/2)
=(1/8)+(1/8)
ans. 1/4
| Is This Answer Correct ? | 25 Yes | 3 No |
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