Help I posted the first part Thanks14

An education researcher claims that 57% of college students work year-round. In a random sample of 300 college students, 171 say they work year-round. At or = 0.05, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. Zo = (Round to two decimal places as needed. Use a comma to separate answers as needed.) Identify the rejection region(s). Select the correct choice below and fill in the answer box(es) to complete your choice. (Round to two decimal places as needed.) O A. The rejection region is szs O B. The rejection regions are z O C. The rejection region is z> O D. The rejection region is z