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A man takes a step forward with probabil...

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

A

`(2^(5).3^(5))/5^(10)`

B

`462xx(6/25)^(5)`

C

`231xx3^(5)/5^(10)`

D

None of these

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The correct Answer is:
B
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