Statistics- find the expected number?

Statistics- find the expected number? A carnival game offers a $100 cash prize for anyone who can break a balloon by throwing a dart at it. It cost $5 to play, and youre willing to spend $20 to win. You estimate that you have about 10% chance of hitting the balloon on any throw. a) create a probability model for... show more Statistics- find the expected number?
A carnival game offers a $100 cash prize for anyone who can break a balloon by throwing a dart at it. It cost $5 to play, and youre willing to spend $20 to win. You estimate that you have about 10% chance of hitting the balloon on any throw.
a) create a probability model for this carnival
b) Find the expexted number of darts you'll throw.
c) Find the expected winnings.
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