Let a random variable |Probability| JEEMAIN2025

JEE MAIN_2025

070425_S2

Question

Let a random variable $X$ take values $0,1,2,3$ with $P(X=0)=P(X=1)=p, P(X=2)=P(X=3)$ and $E\left(X^2\right)=2 E(X)$. Then the value of $8 p-1$ is:

Select the correct option:

B

2

C

3

D

1

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Medium

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