Matrix Theory

Matrix Theory

A virus hits campus. Students are either sick, well, or carriers of the virus. The following percentages of people in each category, depending on whether they are a junior or a senior. Information put in following matrix:

Junior Senior Well 15% 25% Sick 35% 40% Carrier 50% 35%

The student population is distributed by class and gender as follows:

Males Females Junior 104 80 Senior 107 103 Carrier 50% 35%

How many sick males are there? How many well females? How many female carriers?
Matrix Theory