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IB DP Math - Statistics & Probability Review Flashcards | StudBud
IB DP Math - Statistics & Probability Review
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What is the probability of selecting two red marbles in a row from a bag of 3 red & 4 blue marbles, without replacement
A
\frac{1}{7}
B
\frac{3}{7}\cdot\frac{1}{7}
C
\frac{3}{7}\cdot\frac{2}{6}
D
\frac{2}{7}\cdot\frac{1}{7}
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