Basic Statistics Answers

There are 50 fish in the pond that have tags. You catch 25 fish, and 5 of them have tags. What is the best estimate of the number of fish in the pond?

There are 20 fish in the pond that have tags. You catch 10 fish, and 4 of them have tags. Which proportion provides the best prediction for the total number of fish in the pond? Let x represent the total number of fish in the pond.

Use the information from the Gizmo, shown below. What is the best prediction for the total number of fish in the pond?