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elizabeth22233
2:10 or 2/10 or 2 to 10. They all equal the same thing just written differently. I got this because if you add the green, the blue, and the red together that would be 10 and the question is asking about the red and there is two red marbles so the red:total would be the ratio for this problem.

Answer:

Probability of picking out a red marble is [tex]\frac{1}{5}[/tex]

Step-by-step explanation:

In the opaque bag there are 5 green marbles, 3 blue marbles and 2 red marbles.

Total number of marbles in the bag= 5+3+2 = 10

We have to find the probability of picking a red marble.

P(picking up a red ball)=[tex]\frac{Number\ of\ red\ marbles}{total\ number\ of\ marbles} }[/tex]=[tex]\frac{2}{10}=\frac{1}{5}[/tex]

Hence the probability of picking out a red ball is [tex]\frac{1}{5}[/tex]

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