math
posted by nicole .
A game is played by flipping three coins. If all three coins lands heads up you win $15. If two coin lands heads up you win $5. If one coin lands heads up you win $2. If no coins land heads up you win nothing. If you play $4 to play, what are you expected winnings?
Answer choice: a.)$1.00 b.) $1.00 c.)$0.50 d.)$0.50
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