2p2.pdf X + ownloads/a2p2.pdf 2 /2 100% + 6 SD = 15.5 93 2) (5 points) James and Julia have completed a test. Scores on this test were normally distributed with a mean of 55 and standard deviation of 7. (a) Julia's score on the test was 77. Find the z-score equivalent for her test-score and estimate the proportion of students from the class she outscored (i.e., proportion of students with a lower score) (b) James's score put him at the 78" percentile of the class. What's his test score