Marcus performed an experiment by spinning a spinner a set number of times and noting the color on which the spinner landed. The table below shows the results. Result Frequency Blue 4 Red 3 Green 5 Yellow 6 What is the experimental probability for the lowest frequency? StartFraction 3 over 18 EndFraction StartFraction 4 over 18 EndFraction StartFraction 18 over 4 EndFraction StartFraction 18 over 3 EndFraction