Question

B)There are 2 white balls in bag A and 3 red balls in bag B. At each step of
the process, a ball is selected from each bag and the two balls selected
are interchanged. Let the state ai of the system be the number i of red
balls in bag A.Solve the probability that there are 2 red balls in A after 3
steps.

Answer 1

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Answer 2

Answer:

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