Mathematics

7th

grade

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Basic Probability

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20 questions

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  • 1. Multiple Choice
    1.5 minutes
    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?
    5/6
    1/2
    1/3
    1/6
  • 2. Multiple Choice
    30 seconds
    1 pt
    Image
    The chart below represents the number of marbles in a jar.
    P(green) = 
    5/19
    10/28
    5/14
  • 3. Multiple Choice
    30 seconds
    10 pts
    Image
    A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?
    3/10
    3/9
    1/9
    1/3
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