Stacey is playing a game of cards using a standard 52-card deck (13 each of hearts, clubs, diamonds, and spades).
a. What is the probability the first card she is dealt will be the ace of spades?
b. She is dealt 7 cards at the beginning of the game to hold in her hand. What is the probability that all 7 will be hearts?
c. What is the expected number of hearts she will have in her 7 cards? What is the standard deviation?