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The probability of having a winning raffle ticket is 20%. If you bought 50 tickets, how many winning tickets should you expect to have?

User MemLeak
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2 Answers

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(20)/(100) = (x)/(50)
Let's solve for x:
100x=1000
Divide by 100
x=10
You should expect to win 10 times.
User Bill Rollins
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2 votes
10because if you do 1/5=x/50 then you get 10 ...............................................................................................................
User Jason Dreyzehner
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