An accelerometer is attached to a belt that is 34 inches long. The belt is wrapped tightly around a person's waist. If the diameter of the person's waist is 9.5 inches, how much of the belt will overlap itself? Round to the nearest inch. Assume that the person's waist is a perfect circle.

There are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 to 36. the distribution of act scores in recent years has been roughly normal with mean µ = 20.9 and standard deviation s = 4.8. sat scores are reported on a scale from 400 to 1600. sat scores have been roughly normal with mean µ = 1026 and standard deviation s = 209. reports on a student's act or sat usually give the percentile as well as the actual score. the percentile is just the cumulative proportion stated as a percent: the percent of all scores that were lower than this one. tanya scores 1260 on the sat. what is her percentile (± 1)?