alexander-liebrecht@uiowa.edu 1. (continued) Let's say that in a random sample of 80 college students, 32 of them signed up for Disney+. This study was done with the intention of learning how many college students nation wide signed up for Disney+. e. Find the critical value for a 90% confidence interval. f. What is a 90% confidence interval for the proportion of college students nation wide that signed up for Disney+. g. Can we conclude that less than half of college students signed up for Disney+ with 90% condence? h. What is the margin of error for the confidence interval? i. Find the critical value for a 95% confidence interval. j. What is a 95% confidence interval for the proportion of college students nation wide that signed up for Disney-r. k. Can we conclude that less than half of college students signed up for Disney+ with 95% condence