# Chance News 35: Difference between revisions

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<center> http://www.dartmouth.edu/~chance/forwiki/lotto.jpg </center> | <center> http://www.dartmouth.edu/~chance/forwiki/lotto.jpg </center> | ||

47% of LOTTO 6/49 draw sales is dedicated to the Prize Fund. The total amount of $5 and $10 prizes are paid from the Prize Fund and the balance of the fund (the Pools Fund) is then allocated between the 4/6, 5/6, 5/6 + Bonus and 6/6 prize categories as indicated in the table above. Any amount not won in the 6/6 or 5/6 + Bonus prize categories is added to the 6/6 Jackpot prize for the next draw. | |||

Fred writes: | Fred writes: | ||

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===Discussion=== | ===Discussion=== | ||

Fred suggested that we could determine the probability that there will be more third place winners than second place winners assuming quickpicks. What additional information would you need and given this how would you compute this probability? | |||

==Item2== | ==Item2== | ||

==item3== | ==item3== |

## Revision as of 14:50, 29 March 2008

## Quotation

USA Today has come out with a new survey: Apparently three out of four people make up 75 percent of the population.

David Letterman,

04/12/1947 -

We (Laurie Snell) were not able to find any evidence that this really appeared in USA Today.

## Forsooth

Our first item was suggested by Fred Hoppe at MacMaster University who's research is in probability and statistics with a hobby of lottery problems.

## In this lottery it was better to win third than second place

The Lotto 6/49 in Ontario Canada asks you to choose six numbers from 1 to 49 on up to 10 boards (each board costs $2) or ask for a Quick Pick and the lottery terminal will randomly select your numbers. The Lotto officials randomly draw 6 numbers from 1 to 49 and a bonus number from 1 to 49. The payoffs are

47% of LOTTO 6/49 draw sales is dedicated to the Prize Fund. The total amount of $5 and $10 prizes are paid from the Prize Fund and the balance of the fund (the Pools Fund) is then allocated between the 4/6, 5/6, 5/6 + Bonus and 6/6 prize categories as indicated in the table above. Any amount not won in the 6/6 or 5/6 + Bonus prize categories is added to the 6/6 Jackpot prize for the next draw.

Fred writes:

In the March 19, 2008 Lotto 6/49 numbers drawn were 23 - 40 - 41 - 42 - 44 - 45 and the bonus was 43.

Can you imagine the consternation of the poor folks who, against the odds, matched 5/6 numbers and the bonus number, then found their excitement turned to dismay upon learning their share was only $1,193.70 because of the 239 who matched likewise. The third place winners (match 5/6 only) each took home $2,223.40.

## Discussion

Fred suggested that we could determine the probability that there will be more third place winners than second place winners assuming quickpicks. What additional information would you need and given this how would you compute this probability?

## Item2

## item3