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A package of 8 AAA size batteries contains 2 that are defective and 6 that are non-defective. If we select 4 batteries at random from

A package of 8 AAA size batteries contains 2 that are defective and 6 that are non-defective. If we select 4 batteries at random from the package, what is the probability that the sample contains exactly 1 defective battery?

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