An education researcher claims that at most 8% of working college students are employed as teachers or teaching assistants. In a random sample of 200 working college students, 9% are employed as teachers or teaching assistants. At a=0.05, is there enough evidence to reject the researcher's claim? Complete parts (a) through (e) below. (a) Identify the claim and state Ho and Ha- Identify the claim in this scenario. Select the correct choice below and fill in the answer box to complete your choice. (Type an integer or a decimal. Do not round.) OA. % of working college students are employed as teachers or teaching assistants. OB. More than % of working college students are employed as teachers or teaching assistants. OC. At most % of working college students are employed as teachers or teaching assistants. OD. The percentage of working college students who are employed as teachers or teaching assistants is not %. Let p be the population proportion of successes, where a success is a working college student who is employed as a teacher or teaching assistant. State Ho and H. Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) OA. Ho: P> Ha: ps OD. Ho: Ps Ha:p> CI (b) Find the critical value(s) and identify the rejection region(s). Identify the critical value(s) for this test. OB. Ho: P< Ha: p2 OE. Ho: P= H₂: p OC. Ho: p² Ha: p< OF. Ho: P* Ha: p=