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The data for a random sample of 1st year and 2nd year college students and whether they had a full-time internship last summer is below. Calculate whether there is a difference between 1st and 2nd year students using a 99% confidence interval. 1 st year students (N): 50 Had a full-time internship last summer (N): 15 2nd year students (N): 35 Had a full-time internship last summer (N): 25