Question

at a jeans factory, a random quality check found 8 pairs defective and 292 pairs with no problems. how many defective pairs can be expected in the inventory of 3,000 pairs of jeans?
80 pairs
82 pairs
292 pairs
375 pairs

Explanation:

Step1: Calculate total sampled pairs

$8 + 292 = 300$

Step2: Find defect rate

$\frac{8}{300}$

Step3: Apply rate to total inventory

$3000 \times \frac{8}{300}$

Answer:

80 pairs