In a poll at a community college, 50% of the first year students and 41% of the second year students said that they have a part time job. A 95% confidence interval for the difference in the proportions is (-0.16, -0.02). a) Interpret this confidence interval. I am Select an answer confident that the difference in Select an answer is between Select an answer and Select an answer . b) If the interval contains 0, indicate what this means. Explain the meaning of positive and/or negative values. The interval Select an answer 0, suggesting that it Select an answer possible that Select an answer . Since the boundary values Select an answer we can conclude that the percentage of the first year students who have part time jobs is Select an answer than those in second year