Question

each day the wildlife commission releases 100 fish into the Durkee River in the following proportions: 55 brown trout and 45 rainbow trout. all of the fish swim through a watch station one at a time on the way upstream. what expression represents the way to calculate the probability of a passing fish being a rainbow trout?

Answer 1

P(rainbow) = 45/100
=9/20
=0.45 or 45% chance