In a box of 75 markers, 36 markers are either red or black and 15 are blue. Find the probability that a randomly selected marker is red or black or blue.
A).51
B).68
C).32
D).24

Question

Quizplus · Accepted Answer

The probability that a randomly selected marker is red, black, or blue is the sum of the probabilities of each color. There are 36 red or black markers and 15 blue markers, totaling 51 markers. The probability is 51/75, which simplifies to 0.68.

In a Box of 75 Markers, 36 Markers Are Either