the mean time to check-in to completion for a customer served at the otisburg branch of the DMV is 109 mins, w/ a standard deviation of 17 mins.

the mean time to check-in to completion for a customer served at the otisburg branch of the DMV is 109 mins, w/ a standard deviation of 17 mins. assuming a normal distribution, what is the probability that a randomly chosen customer experiences services done in greater than 126 mins?