Mathematics - Probability Question with Solution | TestHub

MathematicsProbabilityAddition theoremMedium2 minPYQ_2011

MathematicsMediumsingle choice

A die is loaded such that the probability of throwing the number $i$ is proportional to its reciprocal. The probability that 3 appears in a single throw is-

Options:

Answer:

Solution:

$P (i) = \frac{k}{i} \Rightarrow 1 = i = 1 \sum 6 P (i) = k i = 1 \sum 6 \frac{1}{i} = k \frac{49}{20} \Rightarrow k = \frac{20}{49} . P (3) = \frac{20}{147}$

Stream:BITSATSubject:MathematicsTopic:ProbabilitySubtopic:Addition theorem

⏱ 2mℹ️ Source: PYQ_2011

Doubts & Discussion

Loading discussions...