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sweet-ann [11.9K]
4 years ago
9

Two ballpoint pens are selected at random from a box that contains3 blue pens, 2 red pensand 3 green pens. If X is the number of

blue pens
Mathematics
1 answer:
EastWind [94]4 years ago
8 0

Answer:  3/(28) ≈ 10.7%

<u>Step-by-step explanation:</u>

3 blue + 2 red + 3 green = 8 total pens

   First pick    and           Second pick

 \dfrac{3\ blue\ pens}{8\ total\ pens}\quad \times \quad \dfrac{2\ remaining\ blue\ pens}{7\ remaining\ total\ pens}\quad =\large\boxed{\dfrac{3}{28}}  

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