Mathematics - Probability Question with Solution | TestHub

MathematicsProbabilityGeneral (Event SS, Definitions, Odd against/Favour)Medium2 minPYQ_2003

MathematicsMediumsingle choice

Five horses are in a race. Mr. A selects two of the horses at random and bets on them. The probability that Mr. A selected the winning horse is

Answer:

Solution:

$n (S) =^{5} C_{2}; n (E) =^{2} C_{1} +^{2} C_{1}$ $p (E) = \frac{n ( E )}{n ( S )} = \frac{^{2} C _{1} + ^{2} C _{1}}{^{5} C _{2}} = \frac{2}{5}$

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

⏱ 2mℹ️ Source: PYQ_2003

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