Sample Space You have already learned that sample space gives the number of all possible outcomes in an experiment. This activity focuses on various ways to determine the sample space. Example 1: What are the total outcomes of tossing two coins? Solution: Each coin has two outcomes, heads or tails. Organized List - HH, HT, TH, TT There are four total outcomes. This list shows: first coin heads, second coin heads. HH first coin heads, second coin HT first coin second coin TH first coin second coin TT