a man takes a step forward with probability .04 and backwards with a probability .06 . find the probability that at the end of 11 steps he is 1 step away from the initial point .
a man takes a step forward with probability .04 and backwards with a probability .06 . find the probability that at the end of 11 steps he is 1 step away from the initial point .
Random Walk Problem:
p = 0.4 q = 0.6 n = 11 x = 1 np = (n+x)/2 = 6 nq = (n-x)/2 = 5