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This spinner has 3 possible outcomes - white, grey or black. Janet says that 1 of the 3 outcomes is black so the probability hat the arrow will stop on black is 1/3. Is Janet correct, why?
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This spinner has 3 possible outcomes - white, grey or black.

Janet says that 1 of the 3 outcomes is black so the probability hat the arrow will stop on black is 1/3.
Is Janet correct, why?

This spinner has 3 possible outcomes - white, grey or black. Janet says that 1 of-example-1
User Matheus Torquato
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No, Janet is incorrect because the black has a greater surface area than the other two; the amount of space in not equal between all three possible outcomes. (The probability she will land on black is closer to 1/2 than 1/3)
User Eric Lechner
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8.0k points
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