Problem preview
S-MD.6 Warmup M2-072-A03-V01

Use probability to make fair decisions, such as lotteries or random selection.

Compute spinner allocations and classify fairness

Problem

From the spinner, calculate the winning probability for each player with one of four equal sectors and compare the probabilities.

Big Picture

What this problem is really about

Equal-looking spinner pieces matter only after their player assignments are counted. We’ll verify the sectors have equal area, map every sector to its player, total each player’s share of the circle, and compare the resulting player probabilities against the fairness criterion.

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Four variants of this problem type
Curriculum context
Course
Math II
Standard
S-MD.6
Category
Statistics and Probability
Domain
Using Probability to Make Decisions
Objective
Use probability to make fair decisions, such as lotteries or random selection.
Problem type
Compute spinner allocations and classify fairness