Collected Assignment - 7.1 - 7.2 Round all point estimates and critical values to two decimal places, and all margins of error and final answers to three decimal places. 1. In a survey of 2241 adults in a recent year, 650 say they made a New Year's resolution to eat healthier. a. Construct, by hand, a 95% confidence interval estimate of the proportion of all adults who made a New Year's resolution to eat healthier. b. Interpret your confidence interval in context of the problem. 2. The numbers below represent the weekly time (in hours) that a random sample of college football players spent lifting weights. 7.4, 5.8, 7.3, 7, 8.9, 9.4, 8.3, 9.3, 6.9, 7.5, 9, 5.8, 5.5, 8.6, 9.3, 3.8 a. Construct, by hand, a 99% confidence interval of the mean weekly time college football players spend lifting weights. b. Interpret your confidence interval in context of the