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Mathematics 13 Online
OpenStudy (anonymous):

The probability of winning a raffle ticket is 20%, how times should you expect to win? @whpalmer4

OpenStudy (whpalmer4):

If the probability of a winning ticket is 20%, that means 20/100 times you should expect to win.

OpenStudy (anonymous):

whoops. it also said. If I bought 50 tickets

OpenStudy (whpalmer4):

Okay. Multiply 20% by 50 tickets, and that's the expected value

OpenStudy (anonymous):

ok got it thank you thank you!

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