i've been thinking about this.... take three coins, arrange them from left to right. i will show how to select one of the three coins with probability 1/3. t

i've been thinking about this.... take three coins, arrange them from left to right. i will show how to select one of the three coins with probability 1/3. toss all three. repeat until only one shows heads. select that coin. so i think you are wrong :o)