13. There are four aces in a deck of 52 cards. If you pull a card, return the card, then reshuffle and pull a card again: How many ways cay you pull just one ace in five pulls? 14. There are four aces in a deck of 52 cards. If you pull a card, then return the card, then reshuffle and pull a card again: What is the probability of pulling four aces in 10 pulls?