I think Its C because in the frequency table or table given if the heads are counted there are 6 of them and over all 10 which will make 6/10
The answer is 6 because you add the 1 and the 2 first and then multiple to get 6. I don’t know why you put the division sign in front of the 2 though.
Answer: A, B, C.
If the stack of cards are shifted so it is not straight, it still has everything the same.