Tue 26 Feb, 2013 09:03 pm - An airline reported over a two week period they had an average of 1123 late arrivals, with a standard deviation of 115. With 95% confidence is there evidence that this airline is different from the... (view)
Tue 26 Feb, 2013 01:29 pm - Delta flights offer free beverage service and a snack. Your snack choices consist of either a 1 oz. cookie, a 0.45 oz. pack of peanuts, or a 0.42 oz. pack of pretzels. On my flight down to Wichita... (view)
Tue 26 Feb, 2013 01:26 pm - Can you explain this more "Your observed result of 41 was 7 away from the expected mean or less than two standard deviations so that is reasonable. " ? (view)
Tue 26 Feb, 2013 11:15 am - I bought a package of Reeses Pieces to munch on while airborne. There were 62 pieces total (yah, I know, but I AM a math guy) and 41 of them were brown. While reading the Delta Sky mag an article... (view)
