Foragers die of old age (at 20 years), stochastically determined deaths, or starvation. Births occur as a function of energy reserves each time a forager dies, keeping the population constant at size N (100), where probability that forager i reproduces is: 9\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document} $$ P_{R} = P(i | N) = \frac{h_{i}^{W}}{\sum_{j=1}^{N} h_{j}^{W}} $$ \end{document}PR=P(i|N)=hiW∑j=1NhjW