But this time, you would use random sampling instead of a transect method we saw before.

但这一次，你将使用随机抽样而不是我们之前看到的带状统计法。

However, in random sampling, these five 20-minute periods may be distributed randomly over the course of the day.

然而，在随机抽样中，这5个20分钟的时间段可能在一天中随机分布。

Here is a random sampling of its entries: Budget - never balanced.

以下是其条目的随机抽样：预算 - 从未平衡过。

And so what is the probability that a random sampling mean is going to be two standard deviations?

那么随机抽样均值是两个标准差的概率是多少？

The most significant would be for random sampling because, of course, in order to take a random sample, after all, you need random numbers.

最重要的是随机抽样， 因为当然，为了随机抽样，毕竟你需要随机数。

We're just confident that there's a 95% chance that our random population, our random sampling mean right here, so that 2.34, which we can kind of use-- we just picked that 2.34 from this distribution right here.

我们只是确信我们的随机总体、 我们的随机抽样有 95%的机会意味着 2. 34，我们可以使用它— — 我们刚刚从这里的分布中选择了 2. 34。