One marble jar has several different colored marbles inside of it. It has 1 red,

One marble jar has several different colored marbles inside of it. It has 1 red,

One marble jar has several different colored marbles inside of it. It has 1 red, 2 green, 4 blue, and 8 yellow marbles. All the marbles are the same size and shape. If Peter takes out a marble from the jar without looking, what is the probability that he will NOT choose a yellow marble.

A: 8/15
B: 7/15
C: 7/8
D: 8/7