TS EAMCET · Maths · Probability
If \(\mathrm{P}(\mathrm{X}=\mathrm{x})=c\left(\frac{2}{3}\right)^x ; \mathrm{x}=1,2,3,4, \ldots\) is a probability distribution function of a random variable \(\mathrm{X}\), then the value of \(c\) is
- A \(\frac {1}{4}\)
- B \(\frac {1}{3}\)
- C \(\frac {1}{2}\)
- D \(\frac {1}{6}\)
Answer & Solution
Correct Answer
(C) \(\frac {1}{2}\)
Step-by-step Solution
Detailed explanation
\(P(X=x)=c\left(\frac{2}{3}\right)^x\)…
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