Help14B) find the critical value and identity the rejection region Identify the critical value for this testZ0= ________

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 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.) O A. At least % of college students work year-round. O B. At most % of college students work year-round. O C. The percentage of college students who work year-round is not %. O D. % of college students work year-round. Let p be the population proportion of successes, where a success is a college student who works year-round. 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.) O A. Hop= OB. Ho: pz O C. Ho: P> Ha: px Ha: p 2 Click to select your answer(s). MacBook Pro