The probability that the two selected balls are an orange ball and a blue ball is 1/8
This is the likelihood or chance that an event will occur.
If a bag contains 1 orange, 1 yellow, and 2 blue balls, the total number of balls is expressed as;
Total otcome = 1+ 1 + 2
Pr( an orange ball and a blue ball.) = 1/4 * 2/4
Pr( an orange ball and a blue ball.) = 1/8
Hence the probability that the two selected balls are an orange ball and a blue ball is 1/8
Learn more on probability here: https://brainly.com/question/24756209