And, it is POSSIBLE that I could win the big lottery, or live to 100. That says nothing about the probability of either. That is the way that lawyers talk, not scientists. A real scientist will provide a probability estimate along with the appropriate uncertainty; for example, in polls where the ‘margin of error’ provides insight on the accuracy of a poll’s findings. Anything less is speculation, which is of little value in making forecasts or recommending mitigation plans.