Mathematics of inequality

Arandom sample of 150 high school students were asked whether they have a job. the results are shown in the table. have a job do not have a job male 48 35 female 41 26 select a ord or phrase from the drop-down menus to correctly complete the statements describing the association.

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

If there are 3.281 feet in 1 meter, how many inches are in one centimeter