El generico public high school got a new flagpole. but they completely forgot to buy a cord and no one knows how tall the flagpole is! to find out, they decided to use similar figures! as the sun was setting, bob the janitor set up a 5-foot stick next to the flagpole and compared shadows. the 5-foot stick cast an 8-foot shadow. the shadow of the flagpole was 32-feet long. use rules of similar polygons to figure out how tall the flagpole is!

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: