svania102 svania102

31-01-2017
Mathematics

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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?

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knotbot knotbot

31-01-2017

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

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traniece traniece

31-01-2017

the answer would be 8 out of 10

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