Assignment:
I have two random walks, both starting at 0 and with a reflecting boundary at 0. Each Step, Walk A goes up 1 with probability 1/2 and down 1 with probability 1/2(except at the boundary). Each step, Walk B goes up 1 with probability 1/3 and down 1 with probability 2/3. The average time for Walk A to reach 1000 is less than the average time for Walk B to reach 100.
Provide complete and step by step solution for the question and show calculations and use formulas.