王同学回答（1）
ES2023-04-05 21:03:19
ES同学，你好
A和B的区别就是前半句
Unlikely to have occurred merely by chance
Likely to have occurred merely by chance
题干说“A result is statistically significant”，结果显著：
p-value 小于significance level——落在分布的两端——中间多，两头少——Unlikely to have occurred merely by chance
加油，祝你顺利通过考试~
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