The table shows the​ distribution, by​ age, of a random sample of 3990 moviegoers ages​ 12-74. If one moviegoer is randomly selected from this​ population, find the​ probability, expressed as a simplified​ fraction, that the moviegoer is not in the 65-74 age range.

Ages Number

12-24 610
25-44 860
45-64 630
65-74 1890

2 answers

(3990-1890)/3990
The table shows the​ distribution, by​ age, of a random sample of 3460 moviegoers ages​ 12-74. If one moviegoer is randomly selected from this​ population, find the​ probability, expressed as a simplified​ fraction, that the moviegoer is not in the 25 dash 44 age range.