Box A contains 7 items of which 2 are defective, and box B contains 6 items of which 1 is defective.

Box A contains 7 items of which 2 are defective, and box B contains 6 items of which 1 is defective. If an item is drawn at random from each box. Find the probability that both items are non- defective.

1/21

19/42

10/13

25/42

Solutions

Expert Solution

solution:- option A. 1 / 21

given that

box A contains 7 items of which 2 are defective = 2 / 7

box B contains 6 items of which 1 is defective = 1 / 6

probability that both items are non defective = 2 / 7 * 1 / 6

=> 2 / 42 => 1 / 21

orchestra answered 1 year ago

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