An education researcher claims that 60​% of college students work​ year-round. In a random sample of 400 college​ students, 240 say they work​ year-round. At α=0.10​, is there enough evidence to reject the​ researcher's claim? Complete parts​ (a) through​ (e) below. b) Find the critical​ value(s) and identify the rejection​ region(s).   Identify the critical​ value(s) for this test.   z0=enter your response here ​(Round to two decimal places as needed. Use a comma to separate answers as​ needed.

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