Probabilistic Risk Probability
According to the information you provided, the probability of being struck by lighting is equal for the whole United States population. In this case, it will be 1/3000 or 0.00033333% . However, sometimes people can distort this probability by making themselves more probably being struck by lighting. For instance,people using phones on the road when it is storming or they stay in the trees when it is lighting. All these activities may increase the "true" risk probability and make it not "true" at all. Thus, I consider that probabilistic risk can be used to measure or estimate the level of risk when people are involved in certain activity but it is not completely "true" or