There are 10 good shirts and 5 defective shirts in a box of 15 shirts. What is the probability of finding a defective shirt?

$\frac{1}{10}$

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$\frac{1}{2}$

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$\frac{1}{3}$

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$\frac{1}{5}$

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Solution

The correct option is C
$\frac{1}{3}$

Number of defective shirts = 5

Total number of shirts = 15

P (Defective) = $\frac{5}{15}$ = $\frac{1}{3}$

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