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Mathematics, 02.09.2019 17:30 bluewhisper

In a bag there are two $20 bills, one $10 bill, four $5 bills, and three $1 bills.
if frank picks one bill from the bag, the expected value of the bill he chooses is $. if one more $20 bill and one more $10 bill are added to the bag, the expected value will change to $.

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In a bag there are two $20 bills, one $10 bill, four $5 bills, and three $1 bills.
if frank pi...

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