AMC 8 2026 - Problem 21

Charlotte the spider is walking along a web shaped like a 5-pointed star. The web has 5 outer points and 5 inner points. Each time Charlotte reaches a point, she randomly chooses a neighboring point and moves to that point. Charlotte starts at one of the outer points and makes 3 moves (re-visiting points is allowed). What is the probability she is now at one of the outer points of the star?

2026 AMC 8 Problem 21 diagram
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Answer:
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