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lotteries

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Expected value 2009-04-11
From jp:
you pay $.50 and pick a four-digit number. The state chooses a four-digit number at random and pays you $2500.00 if your number i chosen. What are the expected winnings from a $.50 Pick 4 wager?
Answered by Stephen La Rocque and Harley Weston.
Four digit numbers 2003-11-20
From Rob:
Hello, I sure hope you can answer this question. I got into a discussion at work about how many possible combinations there are for a four digit number using the numbers 0 through 9. This was in reference to a discussion about the lottery. I said there was only 10,000 possible combinations. My friend said that there was many times more, but he could not remember how to figure it out. The answer and the formula would be greatly appreciated.
Answered by Penny Nom.
The number of three digit combinations 2003-08-16
From Fred:
There are four close friends having a heated discussion concerning the the number of three digit combinations using the numbers 0 through 9. The discussion›involves the daily lottery.› Any assistance you can lend would be greatly appreciated.
Answered by Penny Nom.
A 1 from 35 lottery 2001-01-11
From Jamie:
A number is randomly drawn from an urn containing 35 balls numbered 00 to 34.

How to win

Division 1 Match the number drawn
Division 2 Match the last digit of the number drawn

Calculation of probabilities for this lottery:...


Answered by Claude Tardif and Penny Nom.
6-49 2000-09-14
From Steve:
In our state lottery you must choose 6 numbers (1-49). How many different combinations are there? They can be in any order.
Answered by Harley Weston.
 
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