diorsdesignerdoodles diorsdesignerdoodles

31-03-2022
Mathematics

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Barbara draws pens randomly from a box containing 5 pens of the same shape and size. There is 1 green pen, 3 red pens, and 1 blue pen. She draws 1 red pen and then another red pen without replacing the first one. Find the probability of drawing 1 red pen followed by another red pen, and show the equation used.

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ArayshInferno ArayshInferno

09-04-2022

Answer:

She already got rid of two red pens, so there's one red pen left.

Step-by-step explanation:

5-1=4-1=3. 1 red 1 blue 1 green. 100/3=33.3333333… so her chance of getting another red pen is 33.3333333333333333333333% and a 66.66666666666666666666% chance of not.

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