STATISTICS

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There are 10 colored balls in a box ( 5 red, 3 blue, 2 green ). What is the probability of picking out a red ball and then a blue ball ( If I do not replace the red ball )?
1/6
1/2
3/20
4/5

  • STATISTICS -

    (5/10)(3/9)=
    (1/2)(1/3)= ?

  • STATISTICS -

    4/5?

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