Suppose that a news article claims that 4% of allAmericans live with vision impairment. Astudy done on 200 Americans showed that9% of them had vision impairment.a) 200 Americans is a...Sample

Suppose that a news article claims that 4 of allAmericans live with vision impairment Astudy done on 200 Americans showed that9 of them had vision impairmenta 2 class=