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GRE Quantitative Flashcards: Probability

Study Probability in GRE Quantitative with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Identify P(A∩B)P(A\cap B) if P(A)=0.3P(A)=0.3 and P(B∣A)=0.5P(B\mid A)=0.5.

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ANSWER

0.150.15. Apply the multiplication rule: P(A∩B)=0.3×0.5=0.15P(A\cap B) = 0.3 \times 0.5 = 0.15.

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GRE Quantitative: Data Analysis and Statistics

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What this deck covers

This deck focuses on Probability, giving you a quick way to review the definitions, rules, and examples that matter most for GRE Quantitative.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 24Practice questions for this set
A fair six-sided die is rolled once. Event AA is "the result is even" and event BB is "the result is greater than 4." What is P(A∣B)P(A\mid B)?
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