From long experience, Tricky Airlines knows that if the actual specific trip time between two cities turns out to be more than 20 minutes longer than the trip time Tricky Airlines claims on its website where potential passengers consider booking a flight, the passengers on that specific flight get angry enough that this 20 minute (or more) delay decreases passenger willingness to book flights with Tricky Airlines in the future. As in the previous question 6, suppose that the actual population mean trip time is 150 minutes with a standard deviation of 28 minutes, and that actual trip time is a Normally distributed random variable. If Tricky Airlines wants to make the probability of such angry passengers less than or equal to 0.05, what trip time should it claim on its website where its potential passengers consider booking that flight