111k views
2 votes
There are 10 light bulbs in a bag. Two are defective. Select a light bulb. What is the probability of selecting a light bulb that is not defective?

User Kody
by
6.5k points

2 Answers

5 votes
the answer would be 8 out of 10
User Himanshi Thakur
by
6.0k points
2 votes
8 out of ten bulbs are not defective.
Therefore the probability is 8/10
This can be simplified to 4/5 or 0.8 or 80%
- depending on your format
User Louis Grellet
by
6.4k points