What is the size of the sample space for flipping 7 coins? Write your answer as a single integer. Please refer to the 3 coins sample space to the right. Notice that the sample space is 8 for flipping 3 coins.

2^{3} = 8

Second Question:

List the sample space (all the possible outcomes) for tossing 4 coins. The sample space to your right is for tossing 3 coins, which is: HHH, HHT, HTH, HTT, THH, THT, TTH, and TTT