If P(X = x) = k(x + 1)3^−x.... | JEE Main 2023

JEE-Main 2023

08-04-2023_(S2)

Question

If the probability that the random variable $X$ takes values $x$ is given by $P(X=x)=k(x+1) 3^{-x}, x=0,1$, $2,3 \ldots \ldots$, where $k$ is a constant, then $P(X \geq 2)$ is equal to

Select the correct option:

7/27

11/18

7/18

20/27

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Medium

Start Preparing for JEE with Competishun

Report Issue