ok, the question reads:
An intriguing species of worm spends its time wandering around in search of food. A population of these worms is on a plate, 2% of which is covered with food. A point containing food contains worms with probability .1 and a point without food contains worms with probability .04 .
a.) draw a diagram illustrating the events and probabilities---- what kind of "diagram" is this supposed to be??
b.) find the probability that a 1-mm^2 region containing a worm also contains food --(no idea how to go about this one)
PLEASE PLEASE PLEASE help me!!