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March 29, 2017

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A number cube is rolled and a coin is flipped. Predict how many times you would get heads and a number less than 3 in 240 trials.



60
40
30
20

  • math - ,

    Less than 3 = 1 or 2 = 1/3 probability

    Heads = 1/2

    The probability of both/all events occurring is found by multiplying the individual events.

    1/2 * 1/3 = 1/6

    1/6 of 240 = ?

  • math - ,

    1/6 0f 240 is equal to 40

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