Use the frequencydistribution, which shows the number of American voters(in millions) according toage, to find the probability that a voter chosen at random is in the 18 to 20 years old age range.

Response Frequency

18 to 20 4.8

21 to 24 7.2

25 to 34 21.5

35 to 44 22.6

45 to 64 52.5

65 or over 28.8

The probability that a voter chosen at random is in the 18 to 20 years old age range is ___.