Recent content by JamesV

I think they're just two extra numbers they pull out afterwards from the same pool of numbers. Why, in the first case, is it (45-6 choose 1)? I understand the 45 is the number of options each ball could be, but what's the 6?

So no good ideas then?

True, but hardly satisfies my mathematical curiosity.

Hi All, I'm trying to figure out the probability of winning the lotto. 8 numbers are drawn between 1 and 45. The first six are 'winning' numbers, the last two are the 'supplementary' numbers. To win division 1, you need to get all six winning numbers right: \binom {45}6 = 8145060 Hence...