Two defective bulbs are mixed accidentally with 10 good ones.find the probability distribution of the no. Of defective bulbs in 3 bulbs drawn at random in succession without replacement and also find variance of the distribution
A cycle Tyres company supplies tyres in bundles,each having 10.there is a chance of having one defective tyre of each 500 tyres.then out of 1000 bundles, approximately how many bundles do not having defective tyres?
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