mins x Progress saved Question 23 You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estimation for the population proportion. You would like to be 90% confident that you estimate is within 3% of the true population proportion. How large of a sample size is required? Submit Question 63OF O hp "Sort sc delete 12 8 19 10 DDI 7 6 backspace & 9 6 P Ucture.com/courses/26867/assignments/742986?module_item_id=2191188 Question 31 Using your favorite statistics software package, you generate a scatter plot with a regression equation and correlation coefficient. The regression equation is reported as y = - 54.77: + 87.42 and the T - - 0.09. What percentage of the variation in y can be explained by the variation in the values of x? (Report exact answer, and do not enter the % sign) Submit Question O #S06 63.F hp (12 prt sc 10 DDI A+ P 141