For example, a lower volatility stock may have an expected (average) return of 7%, with annual volatility of 5%. This would indicate returns from approximately negative 3% to positive 17% most of the time (19 times out of 20, or 95% via a two standard deviation rule).
To join the enlisted ranks, in general you must: 1  Be a U.S. citizen or Green Card holder Non-citizens must speak, read, and write English fluently. Non-citizens must currently live in the U.S. 2  Be in good health. 3  Be 17 to 40 years old (different branches have different age requirements). View a chart of age requirements by service.
Fundamental Requirements. Army enlistment guidelines stipulate that you must be between the ages of 17 and 34, with at least a high school diploma. However, joining prior to age 18 requires consent from a parent or legal guardian. You must be in good physical health and pass a series of test to prove it.