00:02
We're going to run a hypothesis test to see whether the proportion of college students who say they're interested in their district's election results is more than 75%.
00:11
So we'll start with the null and alternative hypothesis.
00:15
Ho is going to be the population proportion equals 0 .75.
00:21
So that's what we currently believe.
00:23
The population proportion is 75%.
00:26
And then our alternative is going to be the population proportion is greater than 0 .75.
00:32
This is what the political scientist claims.
00:37
Now, because this is categorical, the type of test statistic we're going to use is a z score, a z.
00:44
And then we want to calculate the value of that test statistic using this formula...