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Mathematics - Probability Question with Solution | TestHub

MathematicsProbabilityGeneral (Event SS, Definitions, Odd against/Favour)Easy2 minPYQ_2009

MathematicsEasysingle choice

Paragraph:A fair die is tossed repeatedly until a six is obtained. Let $X$ denotes the number of tosses required.Question:The probability that $X = 3$ equals

Options:

Answer:

Solution:

$P (X = 3) = \frac{5}{6} \cdot \frac{5}{6} \cdot \frac{1}{6} = \frac{25}{216}$

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

⏱ 2mℹ️ Source: PYQ_2009

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