Is this strategy claim supported by the evidence? Claim: strategy A is better; A has $\mathrm{EV}$ $\$3$ and B has $\mathrm{EV}$ $\$2$ with similar risk.

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The claim is supported because strategy A has the higher expected value, 3 dollars compared with 2 dollars, and the risks are similar.

The claim is not supported because expected values alone do not show which strategy is better, even when the risks are similar.

The claim is not supported because the strategies have similar risk, so their expected values should be treated as basically the same.

The claim is not supported because strategy B is better since 2 dollars is closer to zero than 3 dollars, so it is the safer expected value.

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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: Evaluate whether a strategy claim is supported by expected value