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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



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 class=