Mathematics
Mathematics, 11.07.2019 21:00, Farhan54019

Of the 20 flash bulbs in a box, 2 are defective. an inspector will select 2 light bulbs simultaneously and at random from the box. what is the probability that neither of the light bulbs selected will be defective

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Of the 20 flash bulbs in a box, 2 are defective. an inspector will select 2 light bulbs simultaneous...

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