Diego randomly selects a card from a standard deck of cards. He places it on his desk and
then Clare randomly selects a card from the remaining cards in the same deck.
1. What is the probability that Diego selects a card that has hearts on it?
2. What is the probability that Clare selects a card that has hearts on it?
3. What is the probability that Diego selects a card that has hearts on it and that Clare
selects a card that has hearts on it?
4. Are the events of Diego and Clare randomly selecting a card dependent or
independent? Explain your reasoning.