TS EAMCET · Maths · Probability
If a random variable \(\mathrm{X}\) follows a poisson distribution such that \(P(X=1)=3 P(X=2)\), then \(P(x=3)=\)
- A \(\frac{4}{81} e^{-\frac{2}{3}}\)
- B \(\frac{2}{81} e^{-\frac{2}{3}}\)
- C \(\frac{2}{27} e^{-\frac{2}{3}}\)
- D \(\frac{4}{81} e^{-\frac{1}{3}}\)
Answer & Solution
Correct Answer
(A) \(\frac{4}{81} e^{-\frac{2}{3}}\)
Step-by-step Solution
Detailed explanation
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