Q34Single correct3 Marks16 Oct 2022

Let $X$ be a Poisson random variable with mean equal to $20$. Which of the following bounds can be obtained using Markov’s inequality?

A

$P(X>30)\ge\frac{20}{30}$

B

$P(X>30)\le\frac{20}{31}$

C

$P(X>25)\ge\frac{20}{25}$

D

$P(X<25)\le\frac{20}{25}$