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The probability of choosing a blue block out of a bag containing 4 red, 2 blue, and 4 green blocks.
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The probability of choosing a blue block out of a bag containing 4 red, 2 blue, and 4 green blocks.

User Drarok
by
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1 Answer

5 votes

4 +2 +4 = 10 blocks total

2 are blue so you have a 2/10 which reduces to 1/5 probability of picking blue

User Twmb
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