Questions 6a through 6d are based on a distribution of scores with = 75 and standard deviation = 6.38. Draw a small picture to help you see what’s required.

a. What is the probability of a score falling between a raw score of 70 and 80?

b. What is the probability of a score falling above a raw score of 80?

c. What is the probability of a score falling between a raw score of 81 and 83?

d. What is the probability of a score falling below a raw score of 63?