Question 323787: Find the probability of picking five out of six numbers correct in a 6/42 lottery.
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! Find the probability of picking five out of six numbers correct in a 6/42 lottery.
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The 5 picks chances are 42*41*40*39*38
But since the order does not matter, divide by 5*4*3*2*1
= 42*41*40*39*38/5*4*3*2*1
= 102080160/120
1 chance in 850,668
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Not good odds, but if the jackpot is more than that, you can buy 850688 tickets and be certain that you'll win.
For example, if the jackpot is $3,000,000 you will win ~ $2,150,000. UNLESS there are other winners and you have to split with them.
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