Question 6 2 Points For public information, an outsourced statistics professional was asked to provide an average daily flight cancellations in a particular airport. The statistician sampled 50 operation days and found an average of 32 daily cancellations. From a previous data, the standard deviation of all flight cancellations are 6.5 days. At 99% level of confidence, what is the margin of error to be used for estimation? Supply its positive version rounded off in one (1) decimal place. e.g. 3.6 2.14 Blank 1 2.14Question 7 2 Points The following data below shows the average working time recorded (in hours) of part - time working students in a certain fast - food chain. 3.4 2.5 4.8 2.9 3.6 2.8 3.3 5.6 3.7 2.8 4.4 4.0 5.2 3.0 4.8 Assuming that the data represent a random sample from a normal population, construct a 95% confidence interval estimate for u. 2.75