Originally Posted by

**azarat** Hello,

I need to calculate some probabilities in poker and one of the situtations goes like this:

I've already gotten two cards for example Ace and King and I want to calculate the probability of getting a Queen, Jack and 10 in the next three drawn cards. I want to ignore that there might be other players at the table at this time.

I thought that you do it like this:

$\displaystyle

\frac{12}{50} + \frac{8}{49} + \frac{4}{48}

$

Is that correct?

My given assignment states that I need to use combinatorics / permutations to solve it, and I’m not sure how I do this.

I think what I need to do is calculate how many different combinations there is for drawing the three cards I want and then divide that by the number of total combinations there are for drawing 3 random cards. Like this: