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JEE · Probability & Counting · Advanced

Probability & Counting: Hypergeometric: 5 red in 10, draw 2: math?

Combinations, conditional probability.

Try the problem

Hypergeometric: 5 red in 10, draw 2: P(both red)P(\text{both red})?

Hint and answer

Concept to use

Bayes intro.

Hint

(52)/(102)\binom52/\binom{10}2.

Answer

2/9

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