According to a recent census, 16.9% of all housing units in a certain country are vacant. A county supervisor wonders if her county is different from this. She randomly selects 795 housing units in her county and nds that 162 of the housing units are vacant. Complete parts a through d below. a) State the hypotheses. Let the proportion of housing units in the county that are vacant be denoted by p. Choose the correct answer below. A. Hozp=0.169 O B. H0:p