If the toss is tail, you continue (you really, really want that slice of pizza!), and toss the coin two more times. If the subsequent two tosses are both heads, then you finish off the pizza. If not, you decide it is not meant to be and give the pizza slice to your roommate (or dog - cats are too smart to eat pizza). All tosses are performed mutually independently. (a) Find the probability that you get to eat your slice of pizza