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Suppose a fair, two-sided coin is flipped. If it comes up heads you receive $5; if it comes up tails you lose $1. The variance of this lottery is Select one:

a. 18
b. 4.5
c. 13.5
d. 9

User Quad
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1 Answer

4 votes

Answer:

Explanation:

dududuue

User Stalfos
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