00:01
So you're given a table that i'm not able to see, but i can tell you basically what you need to do.
00:06
So i'm sure you have education levels that are high school, less than high school, high school graduate, and probably some college, college, and then beyond four years or something.
00:18
But you have other categories.
00:20
And you have values that are listed in here.
00:23
And you have row totals and column totals.
00:25
So these i'm going to say are the totals over here.
00:30
And these are the totals down here of how many are in the different categories here.
00:37
And i don't know whether you're given this as a relative frequency or as a total number of people in like in thousands or something like that.
00:46
It says the data is in thousands.
00:48
So i'm assuming you do have a count.
00:50
So there is a grand total of the total number of people.
00:56
And i'm just going to call that grand total.
00:59
All right.
00:59
So you have two questions that you want to answer.
01:03
And so your first one is, and they don't say the word given, but that's basically what these are two conditional probabilities.
01:10
And we've had the, what is the probability if you know that someone is never married, that they are a high school graduate? so what we need to do is we need to find the number of people who are never married.
01:23
So we want to look at the never married people, and we want to know what this total is...