A jewelry supplier has a supply of earrings which are 10% platinum. A store owner orders five sets of earrings from the supplier. If the supplier selects the pairs of earrings
At random, what is the chance that the jewelry store gets exactly two sets of platinum
Pairs?

Question

Quizplus · Accepted Answer

The probability of getting a platinum pair is 0.1. The probability of not getting a platinum pair is 0.9. The probability of getting exactly two sets of platinum pairs is:(0.1)^2 * (0.9)^3 * 5 = 0.0729

A Jewelry Supplier Has a Supply of Earrings Which Are