In the unimodal case, if the distribution is positively skewed then the probability density function has a long tail to the right, and if the distribution is negatively skewed then the probability density function has a long tail to the left. A symmetric distribution is unskewed.
The current legal age limit to play paintball in New South Wales is 16 years of age, although Delta Force is backing the AUPBAâs petition for a standardised national minimum age of 12 years old.
Active Duty None-Prior Service. 1  Army - 35 (must ship to basic training prior to 35th birthday. The Army experimented with raising the age limit to age 42 for a brief period of time, but effective April 1st, 2011, the Army has reverted to the lower age limit. 2  Air Force - 39. 3  Navy - 34. 4  Marines - 28. 5  Coast Guard - Age 27.