Can some one please explain what this is asking of me and how to answer it? I'm really struggling, thanks.

Q4: The number of flaws in a 1-inch length of copper wire manufactured by a certain process varies from wire to wire. Overall, 42% of the wires produced have no flaws, 33% have one flaw, 16% have two flaws, and 9% have three flaws. Let X be the number of flaws in a randomly selected piece of wire. Find 1- P(X = x) for each possible value x. 2- F(2.5) 3- Mean X (Hx )