A normal distribution has u = 30 and o = 5. (a) Find the z score corresponding to x = 25. (Enter an exact number.) (b) Find the z score corresponding to x = 42. (Enter a number.) (c) Find the raw score corresponding to z = -2. (Enter an exact number.) (d) Find the raw score corresponding to z = 1.3. (Enter a number.) Need Help? Read It 7. [-/5.26 Points] DETAILS BBBASICSTAT8ACC 7.2.008. MY NOTES ASK YOUR TEACHER PRACTICE ANO Raul received a score of 70 on a history test for which the class mean was 70 with a standard deviation of 10. He received a score of 74 on a biology test for which the class mean was 70 with standard deviation 8. On which test did he do better relative to the rest of the class? O biology test O history test O the same