2^4 =16 out comes
Ok I will list all the possibilities first (H=heads and T=tails.
HHHH
HHHT
HHTT
HTTT
TTTT So here we have all the possibilities, a total number of 5
TTTH (But wait... This is the same as the fourth one, so that's it!)
HHHH
HHHT
HHTT
HTTT
TTTT So here we have all the possibilities, a total number of 5
TTTH (But wait... This is the same as the fourth one, so that's it!)
16
Well that depends, Are you going to toss all four coins at the same time or are you going to toss each one individually? If you toss all at the same time you'll get 4 different possible outcomes and if you toss one at a time you'll wind up with 8 possible outcomes.