The scores for the science reasoning portion of the ACT test are normally distributed. In a recent year, the mean test score was 20.9 and the standard deviation was 5.2. Find the z-scores for the following randomly selected test scores. Round your answers to the nearest hundredth. For a score of 17, z = For a score of 29, z = For a score of 8, z = For a score of 23, z =
