Golden Balls game show probability theory
Posted: Sat Jul 31, 2010 4:24 pm
Let's talk about Bin or Win. There can be 6 killer balls in all: 4 in round 1, 1 in round 2 and 1 in Bin or Win round. There are 6 balls to bin and 5 to win. That means, there's a probability that all killer balls are binned. But first, please go here:
http://en.wikipedia.org/wiki/Binomial%20coefficient before I start explaining it
OK, are you back?
I'm here.
The probability of non-killer win is C(n, 5)/C(11, 5) (n - number of non-killer balls).
But if you don't want to calculate, here's the chart
After one binned and one won ball the probability is C(n, 4)/C(9, 4). Here's the chart.
After two binned and two won balls the probability is C(n, 3)/C(7, 3). Here's the chart.
After 3 binned and 3 won balls the probability is C(n, 2)/C(5, 2). Here's the chart.
Here goes the final decision: which from remaining 3 balls to win. The probability is C(n, 1)/C(3, 1)=n/3. But if you don't want to calculate this simple formula, I still give you a chart.

OK, are you back?


But if you don't want to calculate, here's the chart
Code: Select all
Number of killer balls Probability
0 Not possible because of required killer ball in Bin or Win round
1 252/462=6/11
2 126/462=3/11
3 56/462=4/33
4 21/462=1/22
5 6/462=1/77
6 1/462
Code: Select all
Number of killer balls Probability
0 126/126=1 (in all cases) LOL
1 70/126=5/9
2 35/126=7/18
3 15/126=5/42
4 5/126
5 1/126
6 Not possible because only 5 binned balls remain
Code: Select all
Number of killer balls Probability
0 35/35=1 (in all cases) LOL
1 20/35=4/7
2 10/35=2/7
3 4/35
4 1/35
5 Not possible because only 4 binned balls remain
6 See above
Code: Select all
Number of killer balls Probability
0 10/10=1 (in all cases) LOL
1 6/10=3/5
2 3/10
3 1/10
4 Not possible because only 3 binned balls remain
5 THOSE BALLS AREN'T LOVING ME!! :x
6 6 from 5?! LOLOL
Code: Select all
Number of killer balls Probability
0 3/3=1 (in all cases) LOLOLOL
1 2/3
2 1/3
3 THOSE BALLS AREN'T LOVING ME!! :x