A fair coin is flipped twice. If both flips come up heads, you lose $6. If at least one flip comes up tails, you win $2. Let X be the random variable that corresponds to your winnings in dollars. Ex: X = 2 if you win $2 and X = -2 if you lose $2. What is the expected value of X? E[X] = ____

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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A fair coin is flipped twice.

If both flips come up heads, you lose $6.
If at least one flip comes up tails, you win $2.

Let X be the random variable that corresponds to your winnings in dollars. Ex: X = 2 if you win $2 and X = -2 if you lose $2. What is the expected value of X?

E[X] = ____

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