Find the probability of exactly 14 red cars. Why can't the result be used to determine whether

Question:

Find the probability of exactly 14 red cars. Why can't the result be used to determine whether 14 is a significantly high number of red cars?
Assume that 100 cars are randomly selected. Refer to the accompanying graph, which shows the top car colors and the percentages of cars with those colors (based on PPG Industries).