Cards:Suppose you and a friend are playing cards and you are each dealt 4 cards. You have a 10, jack, queen, and king in your hand. You are about to be dealt one more card. What is the probability that you are dealt an ace given the following?Round your answers to 3 significant digits*.

(a) your friend has no aces in her hand (b) your friend has exactly one ace in her hand

Same Birthday: Suppose two people are randomly selected from a class of 45 students. Round your answer to 3 significant digits*.

What is the probability that they have the same birthday?