In chapter 5, according to Professor Hansen's bell-shaped curve of average temperature, what does three standard deviations mean for temperature?
A: Moderate heat or cold that occurs regularly
B: Extreme heat or cold that occurs a couple of times in a thousand occurrences
C: Slight heat or cold that occurs in twelve times in a thousand occurrences
D: Normal heat that occurs normally
发布时间:2024-05-14 16:37:09