00:01
Hello, so here we have 52 deck of cards, i mean choosing 13 cards and the number of ways you choose 13 cards, number of ways choosing 13 cards and there's going to be 52 combination 13 okay now there are four a total of four eases in a deck right it's going to tell the number of ways of selecting 4 asis and 4 combination 4.
01:04
That's going to be 1.
01:07
If you want a number of ways of selecting 2 kings.
01:16
Now in the deck of cards we have 2.
01:18
I'm sorry, we have 4 kings.
01:21
We want to select 2.
01:22
That's going to be 4 combination 2.
01:25
6.
01:31
Now the remaining because we've choosing 4 and we've chosen 2, right? so that's 6.
01:44
So how many do you have left? we chose, we've chosen 4 out of 4 and we've chosen 2 out of 4.
01:54
So 4 plus 2 is 6.
01:55
We're choosing 13, so we left with 7.
02:00
So let's see...