Let a chip be taken at random from a bowl that contains six white chips, three red

Question:

Let a chip be taken at random from a bowl that contains six white chips, three red chips, and one blue chip. Let the random variable X = 1 if the outcome is a white chip, let X = 5 if the outcome is a red chip, and let X = 10 if the outcome is a blue chip.
(a) Find the pmf of X.
(b) Graph the pmf as a line graph.