Normal Distribution Assignment 1. Suppose the commuting time from North Bay to Barrie varies uniformly from 135 min to 180 min. What is the probability that the drive will take less than 160 min? Include a labeled graph. ~ A student received a standardized (z) score on a test that was -. 57. What does this score tell about how this student scored in relation to the rest of the class? Sketch a graph of the normal curve and shade in the appropriate area. First math exam. Her class' average was 170 points with