You randomly draw a marble from a bag of marbles that contains 
8
88 blue marbles, 
5
55 green marbles, and 
8
88 red marbles.
What is 
P(draw a blue or red marble
)
P(draw a blue or red marble)start text, P, left parenthesis, d, r, a, w, space, a, space, b, l, u, e, space, o, r, space, r, e, d, space, m, a, r, b, l, e, end text, right parenthesis?
If necessary, round your answer to 
2
22 decimal places.