it is known that a box of 600 electric bulbs contains 12 defective balls one ball is taken out at random from this box what is the probability that it is not effective
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Answered by
5
Answer:
2%
Step-by-step explanation:
12/600
which is 2%
abdul9911212889:
as we hav already got 12 bulbs out of 600
then we need to divide and take out the percentage
Answered by
11
probability that bulb is not effective=no. of cases favourable to event/total no of cases
we know an event contains 12 defective bulbs
therefore probability=12/600
in perecent =12/600×100=2%
we know an event contains 12 defective bulbs
therefore probability=12/600
in perecent =12/600×100=2%
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