Mathematics

Bear

17 July, 19:58

Two samples of fish from a pond were analyzed. The second sample was taken six months after the first sample.

Sample 1, trout 3, catfish 9, bass 8, all fish 20. Sample 2, trout 5, catfish 9, bass 6, all fish 20.

Which are valid inferences? Check all that apply.

A) The second sample shows the same amount of each type of fish in the pond.

B) About twice as many trout were in the pond at the time the second sample was taken.

C) About the same number of bass were found in the two samples.

D) Fewer bass were in the pond at the time the second sample was taken.

E) About the same number of catfish were found in both samples.