Asked by Learner

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

Answers

Answered by PsyDAG
Typo?

If 2 are chosen from 5 defective bulbs, all would be defective.
Answered by 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
Answered by m
2/8

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