Math, asked by shuhanirajput430, 1 year ago

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

Answers

Answered by intelligentgirl4

1

probability =18/20=9/10

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