7) Find the volume of the COMPOSITE SOLID. Show all work listed... 1. A "written plan” 2. Formulas set up to execute the "written plan". 3. Correct substitution into formulas for the composite solid as it “sits". 4. One
simplified line of work after the substitution of dimensions is made and BEFORE the final volume. 5. Volume
of the composite solid rounded to the nearest hundredth. (Use 3.14 for the value of 7) (5 pts)
3.3 cm
11.2 cm
10.7cm
13 cm

You are in charge of the customer service phone line with many employees. at the end of each phone callthe customers are asked to rate their service from 1 to 5 stars, with 5 being the best. you find the averagerating for 20 randomly selected employees and decide you want to improve the ratings so you require thoseemployees to go through a new training program. you then wait a week and find the new average rating foreach employee. the average change is an increase in 1.3 stars with a standard devation of .9 stars.(a) is this data paired or not paired? (b) what are the null and alternative hypothesis being tested? (c) what is the t-statistic you would use? write the general formula and the final calculation.(d) sketch a t-distribution, label your t-statistic and the probability you would be interested in: