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.
Answer by ks (99). 47 is too old to join the military. Under federal law, age 42 is the maximum age to join. However, those with prior service can receive a waiver based on their time in service. Every branch age limits: Army 42, Air Force 34, Navy 39 and Marines 28.