2000 solders 60000 zombies each soldier kills 5 zombies a night and recruits 1 civilian a night each zombie infects 5 a night for 10 nights. calculated the number of soldiers and zombies at the start of each day from 1-10.

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected