I might have over thought this by browsing the web as most of the calcs deal with a raffle with multiple prizes so your odds change every draw but lets say..

Raffle has 400 tickets. You buy 1 ticket. You've a 1 in 400 chance of winning.

If you buy 10 do you have a 10 in 400 or 1 in 40 chance of winning or is it more complex than that?

Have I over thought it and it is as simple as the explaination above?

Raffle has 400 tickets. You buy 1 ticket. You've a 1 in 400 chance of winning.

If you buy 10 do you have a 10 in 400 or 1 in 40 chance of winning or is it more complex than that?

Have I over thought it and it is as simple as the explaination above?

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