please answer A-E asap, this is one whole question. ty

A new president at Liberty University has made student satisfaction with the enrollment and registration process one of her highest priorities. Students must see an advisor, sign up for classes, obtain a parking permit, pay tuition and fees, and buy textbooks and other supplies., During one registration period, 10 students every hour are sampled and asked about about satisfaction with each of these areas. Twelve different groups of students were sampled, and the number in each group who had at least one complaint are as follows: 1, 2, 1, 6, 2, 1,3,4, 1,8, 1,1 Develop upper and lower limits (ot 99.73%, or 2*3) for the proportion of students with complaints a. What is the average complaint rate Select) b. What is the UCL Select and the LCL Select c. Does the complaint rate fall within the limits? Select) Now re-evaluate the same information at a confidence level of (95.45% or -2) d. What are the limits? Select) e. Is the complaint rate in control? Select If not, which sample(s) is/are outside the limits? Select