The following dot plot represents a random sample of elementary students and the number of children that live in their home.

If this random sample is representative of elementary students in the United States, which of the following inferences can be made from the data? Select all that apply.

All households in the United States contain at least one child.
Very few households in the United States contain four or more children.
None of the households in the United States contain five children.
The majority of the households in the United States, with at least one child, contain less than three children.