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.
To enlist in the Army Reserve you must be: 1  Between the ages of 17â35 (must ship to basic training prior to 35th birthday). 2  A U.S. citizen or registered alien â U.S. Citizens or Permanent Resident Aliens (people who have an INS I-151/I-551 âGreen Cardâ) may join the U.S. Military.3  Healthy and in good physical condition. Between the ages of 17â35 (must ship to basic training prior to 35th birthday). 2  A U.S. citizen or registered alien â U.S. Citizens or Permanent Resident Aliens (people who have an INS I-151/I-551 âGreen Cardâ) may join the U.S. Military. 3  Healthy and in good physical condition.