Question 5: a.) The plane landed in the Hudson River an angle of descent of 20 degrees traveling 6 more miles. At
what height did the airplane cross over the George Washington Bridge (e)?

b.) If the bridge is 212 feet above the water, how many feet did the airplane clear the bridge by?

c.) Air Traffic Control at LaGuardia Airport reported seeing the aircraft pass less than 900 feet above the
George Washington Bridge. Does your calculation support that statement?

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: