Question

A bag contains three red balls,three black balls and 2 white balls.one ball is drawn from the bag. An outcome could be a red ball numbered 1, which we label r1.
(a) Write all possible outcomes using this labelling method
(b) find the probability of getting a ball that is not white

Answer 1

$a) Red \: ball = 3/8 \\ </p><p> Black \: ball = 3/8 \\ </p><p>White \: ball = 4/8 = 1/2 \\ \\ </p><p></p><p>b) P(E) \: of \: not \: a \: white \: ball = 8-2/8 \\ </p><p>6/8 \\ </p><p>3/4$