Problem preview
S-MD.7 Warmup M3-055-A02-V01

Analyze decisions and strategies using probability concepts in more complex settings.

Choose between options using expected value

Problem

Strategy A has expected value \(\$2.40\) and strategy B has expected value \(\$1.75\). Determine the strategy with the greater expected value.

Big Picture

What this problem is really about

A comparison by expected value is meaningful only when both quantities use the same money and time units. Compare the complete decimal amounts, and use their difference to describe the long-run average advantage. Keep the conclusion tied to the stated metric: an expected-value ranking alone says nothing about variability or risk preference.

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Four variants of this problem type
Curriculum context
Course
Math III
Standard
S-MD.7
Category
Statistics and Probability
Domain
Using Probability to Make Decisions
Objective
Analyze decisions and strategies using probability concepts in more complex settings.
Problem type
Choose between options using expected value