It is known that 80% of the items in a population have a given property. If all possible samples of size 60 are taken from this population, which of the following would describe the sampling of the sample proportion of items with the given property?

It is known that 80% of the items in a population have a given property. If all possible samples of size 60 are taken from this population, which of the following would describe the sampling of the sample proportion of items with the given property?