Supplemental Material for Calculating the probabilities of winning lotto 6/49

Less Winning Numbers

Found a pdf with explanation including bonus number .

Maths Behind Winning Lottery

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This is REALLY HELPFUL, thank you!

"Some of the prize categories for the other jackpots are for matching “4 of the 6 winning numbers”
or “3 of the 6 winning numbers.” There are 6 numbers on a ticket which wins these prizes. To
match k of the winning numbers, we must select k of 6 winning numbers AND we must select
> (6 − k) of the 43 non-winning numbers. "