A probability problem by Archana Chowdhury

Probability Level pending

An ant starts to move from the a 11 a_{11} element of a matrix of order 4 × 4 4\times4 . It can only move left-right and up-down direction and it wants to reach a 44 a_{44} element. Then what is the probability that the ant will pass through the element a 23 a_{23} ?


The answer is 0.742857142.

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