To test your null hypothesis, you want to know the probability of obtaining a value this extreme under the assumption that it is due to random sampling variability.
要检验虚假设,需要知道在假设存在随机抽样可变性的情况下获得这么一个极限值的概率。
Hypothesis, also called assumption, refers to explaining the character or reason of the unrecognized phenomena on the basis of the observed facts and known scientific principle.
假说,又称假设,就是根据已观察到的事实和已有的科学原理,对尚未认识到的现象的性质或发生原因做出的推测性解释。
The result of probability distribution in the paper is consistent with outcome of Hypothesis test, so verify the assumption of PERT technology is objective.
本文求解出的概率分布结果与数理统计中假设检验的求证结果一致,从而验证了PERT技术的概率分布假定是符合客观实际的。
Now, that hypothesis, that thesis, that assumption, could be challenged.
这个假设,是可以辩驳的。
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