The distribution function $\mathrm{F}(\mathrm{X})$ of discrete random variable $\mathrm{X}$ is given by Then…

The distribution function $\mathrm{F}(\mathrm{X})$ of discrete random variable $\mathrm{X}$ is given by Then $P[X=4]+P[X=5]=$
  1. 0.14
  2. 0.85
  3. 0.37
  4. 0.23

Solution

We have $\begin{aligned} & \therefore P(x=1)=0.2, P(x=2)=0.17, P(x=3)=0.11 \\ & P(x=4)=0.14, P 9 x=5)=0.23, P(x=6)=0.15 \end{aligned}$ Thus $\mathrm{P}(\mathrm{x}=4)+\mathrm{P}(\mathrm{x}=5)=0.14+0.23=0.37$

Asked in: MHT CET 2021 (22 Sep Shift 2)

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