13. The table shows the distribution, by age, of a random sample of 3430 moviegoers ages 12-74. If one moviegoer is randomly selected from this population, find the probability, expressed as a simplified fraction, that the moviegoer's age is at least 25. The probability is Age Distribution of Moviegoers Ages 12-24 25-44 45-64 65-74 Number 1310 1040 820 260

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