MHT CET · Maths · Probability
The c.d.f. \(\mathrm{F}(x)\) of discrete r.v. \(\mathrm{X}\) is given by
then \(P[X=3]=\)
- A \(0 \cdot 85\)
- B \(0 \cdot 10\)
- C \(0 \cdot 75\)
- D \(0 \cdot 65\)
Answer & Solution
Correct Answer
(B) \(0 \cdot 10\)
Step-by-step Solution
Detailed explanation
(B)
\(\begin{aligned}
\mathrm{P}[\mathrm{X}=3] &=\mathrm{F}(3)-\mathrm{F}(2) \\
&=0.75-0.65=0.10
\end{aligned}\)
\(\begin{aligned}
\mathrm{P}[\mathrm{X}=3] &=\mathrm{F}(3)-\mathrm{F}(2) \\
&=0.75-0.65=0.10
\end{aligned}\)
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