Answer to Question #279383 in Discrete Mathematics for Jaishree

Question

Two Balls are to be selected without replacement from a bag that contains one

red, one blue, one green and one orange ball. A) Use the counting principle to

determine the number of possible points in the sample space. Construct a tree

diagram and list the sample space.

Answer 1

Solution:

A)

There are 4 • 3 = 12 sample points.

B)

$S=\{RB, RG,RO, BR, BG, BO,$ $GR, GB, GO, OR, OB, OG\}$