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An education researcher claims that 62% of college students work year-round. In a random sample of 500 college students, 310 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. S UA. Ho: P D Ha: pz Ha: P> Ha: p's OD. Ho: Pz OE. Ho:P# F. Ho: P = 0.62 Ha: p 1.96 O C. The rejection region is z (c) Find the standardized test statistic z. z= (Round to two decimal places as needed.) View an example Video Get more help - Clear all Check