8. [-/9.09 Points] DETAILS BBBASICSTAT8ACC 7.2.008. MY NOTES ASK YOUR TEACHER Raul received a score of 74 on a history test for which the class mean was 70 with a standard deviation of 8. He received a score of 80 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 9. [-/9.09 Points] DETAILS BBBASICSTAT8ACC 7.1.006. MY NOTES ASK YOUR TEACHER What percentage of the area under the normal curve lies as given below? (a) to the right of / (Enter an exact number.) % (b) between u - 20 and u + 20 (Enter an exact number.) % (c) to the right of u + 30 (Enter a number. Use 2 decimal places.) |%