TRISTANIA laurina. Tristania laurina (aka Tristaniopsis laurina) - Water Gum. 1  Slow growing evergreen tree to 20-30 feet tall and 15-20 feet wide. 2  Blooms fragrant yellow flowers in early summer. 3  Likes full sun and moderate water. 4  Excellent tree for use in a lawn.
Definition of 'Risk'. Tweet. Risk implies future uncertainty about deviation from expected earnings or expected outcome.
Two elements within the definition of risk. Uncertainty of outcome (type of outcome and timing of the outcome) Possibility of a negative outcome. With probability in risk, there is only risk when. probability is between 0 and 1. When probability is 0... there is no event and no risk. When probability is 1...