MathDB
Miklos Schweitzer 1951_5

Source:

October 8, 2008
integrationprobability and stats

Problem Statement

In a lake there are several sorts of fish, in the following distribution: 18% 18\% catfish, 2% 2\% sturgeon and 80% 80\% other. Of a catch of ten fishes, let x x denote the number of the catfish and y y that of the sturgeons. Find the expectation of \frac {x}{y \plus{} 1}