Acoin is flipped eight times where each flip comes up either heads or tails. how many possible outcomes a. are there in total? b. contain exactly three heads? c. contain at least three heads?

I think its option A as u cant answer the other 2, we don't know the chances of getting heads or tails we can only see how many of which we can get in total which is 2 as we can only get an outcome of heads or tails 

Answer is negative 2