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20 September, 09:37

Stephanie is playing a board game and rolls two number cubes. Let A = {the sum of the number cubes is odd} and let B = {the sum of the number cubes is divisible by 3}. List the outcomes in A ∩ B.

{1,3,5,7,9,11}

{1,3,9}

{3,9}

{3,9,12}

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  1. 20 September, 09:47
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    The outcomes of rolling two cubes are shown in the table below (the outcomes is added up). The members of A are circled while the members of B are boxed. The members of A that also members of B is both circled and boxed.

    P (A) = {3, 5, 7, 9, 11}

    P (B) = {3, 6, 9, 12}

    P (A∩B) = {3,9}
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