math stisctic 245

25. In a recent semester I had 52 statistics students. 17 of them received help from the tutoring center. Create a 90% confidence interval for the proportion of students in Dr. Wolfle's statistics courses who receive help from the tutoring center (10 points). 26. A random sample of 40 soda sellers at a Penn State football game found that their average earnings was $210 with a standard deviation of $25. Find a 95% confidence interval for the average earnings of soda sellers at a Penn State football game. Can yo say that most soda sellers will make more than $200? Why or why not? (10 points)