A jewelry supplier has a supply of earrings which are 30% platinum. A store owner orders five sets of earrings from the supplier

Question

3 years ago

10

A jewelry supplier has a supply of earrings which are 30% 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?
Note: I'm confused on what the equation is to enter in my calculator?

Mathematics

2 answers:

Rudik [331] · Answer 1 · 2022-05-27T23:08:57+03:00

Rudik [331]3 years ago

5 0

1/15 chance. the equation is 3/10 * 2/9 and you get 0.0666666666666666666666666666666666666666666666666666666666666666666666666 on and on.

jekas [21] · Answer 2 · 2022-05-27T20:51:57+03:00

jekas [21]3 years ago

3 0

Not sure on the equation but you could try drawing a probability tree