d/TORAC_ Is Extensions Help Times New... 12 + 2 P216z The test scores on a chemistry exam are roughly symmetric, with a u - 67 and a o = 2.00. Javier scored a 66 on the exam. What was his ZOBs or z-score? What is the probability that a student would score a 66 or less on the test? . What is the probability that a student would score greater than a 66 on the test? . Sarah took an exam on which she scored a 93. The u - 78 and a o - 2.50. What percentage of students scored less than a 93 on the test? . What percentage of students scored 93 or greater on the test? . In a normal distribution, with u - 80 and o = 10, what is the probability of finding a score 2 55? (5 points) . From the same normal distribution above (u = 80 and o = 10), what is the probability of finding a score