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.
Age. The U.S. Army accepts recruits who are over 17 years of age but under 18, with the consent of their parents. The Army accepted recruits up to 42 years old until April 2011. Now, recruits must not have reached their 35th birthday before they report for basic military training.he U.S. Army accepts recruits who are over 17 years of age but under 18, with the consent of their parents. The Army accepted recruits up to 42 years old until April 2011.