Exam-Style Problem

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June 2023 p52 q4
3029

Two fair 5-sided spinners, each with sides labelled 1, 2, 3, 4, 5, are spun at the same time. If the numbers obtained are equal, the score is 0. Otherwise, the score is the higher number minus the lower number.

The two spinners are spun at the same time repeatedly.

For 9 randomly chosen spins of the two spinners, find the probability that the score is greater than 2 on at least 3 occasions.

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