Mathematics - Probability Question with Solution | TestHub

MathematicsProbabilityGeneral (Event SS, Definitions, Odd against/Favour)Medium2 minQB

MathematicsMediumsingle choice

A bag has 3 red, 2 green and 2 white balls. Two balls are drawn and neither is green. Find the conditional probability that both are red.

Answer:

Solution:

Conditioning leaves 3 red and 2 white balls. Thus the probability is $(2 3) / (2 5) = 3/10$ .

Stream:JEESubject:MathematicsTopic:ProbabilitySubtopic:General (Event SS, Definitions, Odd against/Favour)

⏱ 2mℹ️ Source: QB

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