Jee Main
Probability
JEE Main 2025 (Online) 4th April Morning Shift
MCQ+4 / -12025
A box contains 10 pens of which 3 are defective. A sample of 2 pens is drawn at random and let $X$ denote the number of defective pens. Then the variance of $X$ is
Jee Main
JEE Main 2025 (Online) 4th April Morning Shift
A box contains 10 pens of which 3 are defective. A sample of 2 pens is drawn at random and let $X$ denote the number of defective pens. Then the variance of $X$ is