$1-\dfrac49=\dfrac59$ 
A bag contains 4 red chips, 2 blue chips, and 3 white chips. If one chip is drawn at random, what is the probability that the chip will not be red? 
(a) $\dfrac29$ 
(b) $\dfrac49$ 
(c) $\dfrac59$ 
(d) $\dfrac69$ 
(e) $\dfrac79$ 