00:01
In this problem, we're considering candidate a, where 62 % of the voters prefer this candidate, we want to figure out what's the probability that 11 of 18 voters will prefer candidate a.
00:13
So we're going to use binomial distribution or binomial probability because either they do prefer candidate a or they don't.
00:21
So if 62 % prefer candidate a, then p is the probability of them preferring that.
00:30
That's going to be 0 .62, whereas q is the probability that they don't prefer candidate a.
00:35
That's going to be 1 minus 0 .62.
00:39
So that's going to be 0 .38.
00:41
Now, in this formula, n is the total number of people who are being asked.
00:46
So we're asking 18 voters, so n equals 18.
00:53
And x is, we're looking to see that 11 of the voters prefer candidate a.
00:59
So x is going to be 11...