Answer Happy

Please note that I need full answer of all parts a,b,c
If you can't solve them all please don't solveit
I need full and correct answers, otherwise I will put dislike atthe solution
M=13
Question 1 (50 points): A soft-drink dispensing machine is said to be out of control if the variance of the contents exceeds 1.12 deciliters. If a random sample of M drinks from this machine has a standard deviation of 1.33 deciliters, does this indicate at the 0.05 level of significance that the machine is out of control? Assume that the contents are approximately normally distributed. M=13 A=130 What would the null and alternative hypotheses be? (5 points) Test the hypotheses. Use critical value approach. (15 points) ii. b) Solve part a) by using confidence interval approach. Show all the details of your calculation. (15 points) c) Solve parts a) and b) by using Minitab and interpret your output. Copy your output and insert in your solution. Compare the results. Are they different? Why? /Why not? (15 points) a) If the instructor were to conduct a test, i.