A gambler plays a game where they win \1withprobabilitywith probabilitywithprobabilitypandloseand loseandlose$1withprobabilitywith probabilitywithprobabilityq = 1-p.Theprobabilityofbeingat. The probability of being at .Theprobabilityofbeingat$0afterafterafternstepsstartingfromsteps starting fromstepsstartingfrom$kisgovernedbyarandomwalk.Ifis governed by a random walk. Ifisgovernedbyarandomwalk.Ifp=0.5andandandk=2,whatistheprobabilityofhitting, what is the probability of hitting ,whatistheprobabilityofhitting$0beforebeforebefore$4$?
1/2
1/3
2/3
1/4