Assignment Score: 38% Resources Li Give Up? The gas mileage for a particular model of pickup truck varies but is known to have a standard deviation of o = 1.0 mile per gallon in repeated tests in a controlled laboratory environment at a fixed speed of 65 miles per hour. For a fixed speed of 65 miles per hour, gas mileages in repeated tests are Normally distributed. Tests on four trucks of this model at 65 miles per hour give gas mileages of 19.7, 20.1, 19.9, and 19.5 miles per gallon. The z statistic for testing Ho: # = 20 miles per gallon based on these four measurements is O z = -0.400. O z = -0.800. O z = -0.200. SDV Diversity A...docx SDV 100 Week 9....doc Show All X