Scientists conduct an experiment to estimate the red-tailed hawk population in a mid-west region. They place an identifying tag on 60 red-tailed hawks. Several months after their release, researchers investigate 5 samples of 25 red-tailed hawks in the region and record how many have a tag.

Sample 1: 5
Sample 2: 7
Sample 3: 3
Sample 4: 4
Sample 5: 6


Based on these results, how many red-tailed hawks should they estimate live in the region?