Mathematics

7th -

8thgrade

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Basic Probability

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt
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    1. What is the probability of spinning green?

    310\frac{3}{10}

    3:123:12

    14\frac{1}{4}

    0.30.3

  • 2. Multiple Choice
    30 seconds
    1 pt

    A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?

    24144\frac{24}{144}

    1012\frac{10}{12}

    212\frac{2}{12}

    10144\frac{10}{144}

  • 3. Multiple Choice
    30 seconds
    1 pt
    Image

    The chart represents the number of marbles in a jar.

    P(green) =

    1028\frac{10}{28}

    538\frac{5}{38}

    514\frac{5}{14}

    519\frac{5}{19}

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