A new school district is opening and recently hired a large group of new staff. The HR specialist is concerned that the hiring trends may have violated the 4/5 rule. The district hired 20 African-American teachers, 25 Hispanic teachers, and 29 Caucasian teachers. A total of 111 African-American, 142 Hispanic and 203 Caucasian applicants applied for the positions. Against which group(s) did the district violate the 4/5 rule