And then that will give us our p-value, which we can compare to significance level. Sometimes you will see a formula that looks something like this. And you say, hey, look, you have your sample proportion. You find the difference between that and the assumed proportion in the null hypothesis. That's what this little zero says. Now, this is the assumed population proportion from the null hypothesis. And you divide that by the standard deviation, the assumed standard deviation of the sampling distribution of the sample proportions.