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math (algebra 1)

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Determine the probability of rolling a sum of 9 or an odd number with two
number cubes.

  • math (algebra 1) -

    9 = (5,4)(4,5)(3,6)(6,3)

    P(9) = 4/36

    P(odd) = P(3) + P(5) + P(7) + P(9) + P(11)

    Note that P(9) is included in P(odd).

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