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01-12-2017
Mathematics

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Help me do this someone who actually knows what there doing

Help me do this someone who actually knows what there doing class=

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01-12-2017

Each choice of the 3 items is independent of the others so the probabilities are MULTIPLIED not added

So the answer to 14 is 0.35 * 0.38 * 0.32 = 0.043 = 4.3 %

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