1.

A man takes a step forward with the probability of 0.4 and one step backward with the probability of 0.6, then the probability that at the end of eleven step he is one step away from the starting point is

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A man takes a step forward with the probability of 0.4 and one step backward with the probability of 0.6, then the probability that at the end of eleven step he is one step away from the starting point is



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