Question
If two light bulbs are choosen at random from 5 bulbs of which are defective then which of the following in the probability that none in defective?
1/10
2/10
2/7
2/8
1/10
2/10
2/7
2/8
Answers
PsyDAG
Typo?
If 2 are chosen from 5 defective bulbs, all would be defective.
If 2 are chosen from 5 defective bulbs, all would be defective.
Learner
@PsyDAG
Yes that was typo."3" is missing in above. Here is the correct :
If two light bulbs are choosen at random from 5 bulbs of which 3 are defective then which of the following in the probability that none in defective?
1/10
2/10
2/7
2/8
Yes that was typo."3" is missing in above. Here is the correct :
If two light bulbs are choosen at random from 5 bulbs of which 3 are defective then which of the following in the probability that none in defective?
1/10
2/10
2/7
2/8
m
2/8