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3. A manufacturing firm knows that 3% of the products they produce are defective. They accidentally...

3. A manufacturing firm knows that 3% of the products they produce are defective. They accidentally shipped a batch of 30 that has not been tested. If the receiving company randomly selects 5 of the 30 to be tested, what is the probability none are defective?

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Answer #1

P( product is non defective) = 0.97

So probability that none of the product among them is defective = 0.975 = 0.8587

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