Expected gain or loss in a game of chance

1. A.
   1
2. B.
   1.5
3. C.
   2
4. D.
   0.5

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1. A.
   10 loss
2. B.
   5 loss
3. C.
   5 gain
4. D.
   10 gain

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1. A.
   $-0.5$
2. B.
   0.5
3. C.
   1
4. D.
   $-1$

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1. A.
   100
2. B.
   0
3. C.
   200
4. D.
   $\ - 100$

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1. A.
   -10
2. B.
   10
3. C.
   0
4. D.
   1

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1. A.
   $\dfrac{19}{6}$
2. B.
   $-\dfrac{19}{6}$
3. C.
   $\dfrac{3}{2}$
4. D.
   $-\dfrac{3}{2}$

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