Which one out of the following is correct regarding the Marginal Work…

The correct answer is Option (1) → Marginal Workers work less than 183 days in a year

The census divides the population into main workers, marginal workers and non-workers. Main and marginal workers differ by the number of days worked in a year: a marginal worker works for less than 183 days (six months) in a year, while a main worker works for at least 183 days.