00:01
Okay, we have here five questions and i can answer true force for each one.
00:06
And i want to have two false and three true.
00:09
The one way of doing it would be f, f for the first two and then three t's.
00:17
Also it could be first three are true and the last two are false.
00:24
I want to work a number of ways of doing this in total.
00:28
Well, let's do it with an arrangement or a permutation.
00:33
If, for example, i have one, two, three, four, five different letters, like a, b, c, d, e, there'll be five factorial ways to arrange the five different letters...