Halp! the chart shows the lengths of six covered bridges. use the information to answer all three parts below. **your answer should have a part a, part b, and part c.**

question:

part a-

a company plans to build a new covered bridge with a length of 18.6 meters. how does the value of the 8 in the new length compare to the value of the 8 in the smolen gulf length?

part b-

use the greater than or less than symbol to compare the length of benetka road bridge to the length of olin's bridge.

part c-

jayla states that the smolen gulf bridge was 3 times as long as the next longest bridge. is jayla's statement correct? explain your answer.

type your answer below:

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: