I need help with Question 7 - 12. Please answer it asap

es We have mean x= -6.4073 sample variance = 38.0306 so s= 6.17 n= 15 t observe= (x-u)/ (s^0.5) = 3.87 Path: p Words:18 QUESTION 11 e) Using a rejection region method, draw a conclusion in the context of the problem by using a significance level of 0.1. Please show your work to receive ful or the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). T T T Anal 3 (12pt) he rejection region in our case is