G. Three are 10 keys and only one of thein can open a kek We do not know which bay can open the bock, but we will try them one by one until we find the right key. We mccord the bap s) which we have already trind. (al What's the probability of finding the right bey in the first trial?' [b) What's the probability of finding the right key in the third inall fe) I've be that the find two bags we tried are not the right bey, what's the probability of linding the right key in the most/third trial