A deck of cards is shuffled and a card is dealt. The remaining cards are shuffled and another card is dealt. The process is repeated until you have four cards dealt from the main pack. Use probability trees to determine the probability of obtaining:
four red cards (not including JQK hearts or JQK diamonds)?
The Attempt at a Solution
For this would you put 20/46, 19/45, 18/44 and 17/43 or would you put the 20/52, 19/51, 18/50,17/49?