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A box has 11 parts of which 4 are defective and 7 acceptable. 2 parts are...

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Question

Basic Math

A box has 11 parts of which 4 are defective and 7 acceptable. 2parts are chosen at random without replacement. Find theprobability that:

a) both parts are defective.

b) both parts are acceptable.

c) only one part is defective.

Answer & Explanation Solved by verified expert
3.7 Ratings (516 Votes)
Box has 4 defective parts and 7 acceptable parts a Probability of picking a defective part in first pick 411 Probability of picking a defective part in second pick 310    See Answer
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