Mock NHL draft lottery

Here is an idea, can you create a mock draft lottery for the NHL entry draft?

The odds are posted here: 2015 Draft Odds

Are there any other rules that you need to know?

What does the NHL do to hold this lottery? How do they actually draw? What do they draw (materials)?

What will you use to hold a mock lottery? Could you use a computer programming tool? (like Scratch)?

How do you know that your odds and materials are accurate?  Where is your math?? And who is that guy???

@hewettja @tsnjamesduthie a computer generates as many 4-digit numerical combinations as possible. Based on each team's percentage chance…

— Bob McKenzie (@TSNBobMcKenzie) April 15, 2015

@hewettja @tsnjamesduthie …of winning lottery, computer randomly assigns team names to the 4-digit numbers. Then four ping pong balls…

— Bob McKenzie (@TSNBobMcKenzie) April 15, 2015

@hewettja @tsnjamesduthie …are taken out of the machine. Whatever the 4 digit # is! the team whose name has been assigned to it, wins.

— Bob McKenzie (@TSNBobMcKenzie) April 15, 2015