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14-03-2017
Mathematics

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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 the 3 outcomes is black so the probability hat the arrow will stop on black is 13 class=

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mayasiegel03 mayasiegel03

14-03-2017

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)

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