If someone told you the setting for a coin toss thrown twice was a simple sample space, what do you immediately know about it? (Select all that apply)
A. All outcomes are equally likely
B. The coin is unbiased
C. Each outcome {HH,HT,TH,TT} has probability 1/4.
D. Each outcome {HH,HT,TH,TT} has probability 1/2.