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A box contains one each of $1, $5, $10, $20, and $100 bills. It costs $17 to reach in and withdrawn one bill. What is the expected value?
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A box contains one each of $1, $5, $10, $20, and $100 bills. It costs $17 to reach in and withdrawn one bill. What is the expected value?

User Amolbk
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1 Answer

3 votes

Answer:

E(X) = (1/5)($136) - $17 = $27.20 - $17

= $10.20

User Drew Blessing
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