A probability forecast that calls for a "40 percent chance of rain" means that ____.
A) there is a 40 percent chance that it will not rain within the forecast area
B) there is a 40 percent chance that any random place in the forecast area will receive measurable rainfall
C) it will rain on 40 percent of the forecast area
D) it will rain 40 percent of the time over the forecast area

Question

Quizplus · Accepted Answer

A probability forecast of "40 percent chance of rain" means that in the forecast area, there is a 40 percent chance that measurable precipitation will occur at any given point. It does not specify the amount of rainfall, how long it will last, or how widespread it will be.

A Probability Forecast That Calls for a "40 Percent Chance