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Probability question

2025 · 4 Apr · Shift 1 · Q37

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2025 · 4 Apr · Shift 1 · Q37

Probability question

2025 · 4 Apr · Shift 1 · Q37

JEE MainMathematicsProbabilityMCQ+4 / −1

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

A
$\frac{11}{15}$
B
$\frac{2}{15}$
C
$\frac{3}{5}$
D
$\frac{28}{75}$

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