What is the probability that Glen will get a yellow marble? Express answer as a percent.
Probability is calculated by creating a ratio and dividing the numerator by the denominator to create a decimal and then a percent.
For example:
2 cars are green and 3 cars are red. What is the probability that the car that is chosen is red?
favorable (what you want picked) = 2 = .4 =40%
total number of choices 5