A box contains tiles labeled A through Z. A tile is randomly chosen from the box and set aside. Then another random selection is made from the remaining tiles. Is that independent or dependent?
This is a dependent event because the probability of the second selection is affected by the outcome of the first selection. When a tile is chosen and set aside, there are now fewer tiles available for the second selection. Therefore, the probability of selecting any particular letter for the second selection will depend on which letter was selected first.
