4. Consider an experiment in which you toss 3 coins at the same time and observe their faces upon landing. a) List a sample space, S, with all possible outcomes. b) Let A be an event of obtaining at least 1 tail. List all outcomes in event A. c) Let B be an event of obtaining at least 2 heads. List all outcomes in event B. d) Let C be an event of obtaining exactly 3 tails. List all outcomes in event C. e) List all the outcomes in following: (AUB), (BUC), (AnB), (Anc), ( Bnc), A (i.e. Ac or A)