An um contains 1 red marble, 7 white marbles and 2 blue marbles. A player randomly
selects one...
![subject](/tpl/images/cats/mat.png)
Mathematics, 02.04.2020 04:01 IntellTanito
An um contains 1 red marble, 7 white marbles and 2 blue marbles. A player randomly
selects one marble from the urn and wins $5 if the marble is red, loses $3 if the marble
is white and loses $1 if the marble is blue. Find the expected winnings.
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Answers: 2
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