Question
A bag consists of one nickel, one copper and one silver coin. One coin is drawn from the bag and then replaced. This is continued until the silver coin shows up. Find the sample space.
Solution
Solution not provided.
Ans. S = {S, NCS, CNS, NNNS, NNCS, NCNS, CNNS, CCNS, CNCS, NCCS, CCCS,.......}