Interpret $-\$1.20$ as the player’s long-run average net change per spin, not an amount guaranteed on each spin.

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The most likely single-spin net outcome is a loss of exactly $1.20.

Over many spins, the player's net gain averages about $1.20 per spin; one spin can differ.

Every spin produces a net loss of exactly $1.20.

Over many spins, the player's net loss averages about $1.20 per spin; one spin can differ.

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Curriculum context

Course: Math II
Standard: S-MD.7
Category: Statistics and Probability
Domain: Using Probability to Make Decisions
Objective: Analyze decisions and strategies with probability concepts in applied settings.
Problem type: Interpret expected value as a long-run average with a stated unit