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7.2 # 46 Please show all workFreshman 15 Weight Gain Refer to Data Set 3 in Appendix B.( Attached)a. Based on the sample results, find the best point estimate of the percentage of college students who gain weight in their freshman year.b. Construct a 95% confidence interval estimate of the percentage of college students who gain weight in their freshman year.c. Assuming that you are a newspaper reporter, write a statement that describes the results. Include all of the relevant information.