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An automobile plant contracted to buy shock absorbers from two suppliers $X$ and $Y . X$ supplies $60 \%$ and Y supplies $40 \%$ of the shock absorbers. All shock absorbers are subjected to a quality test. The ones that pass the quality test are considered reliable. Of $X$ 's shock absorbers, $96 \%$ are reliable. Of Y's shock absorbers, $72 \%$ are reliable.

The probability that a randomly chosen shock absorber, which is found to be reliable, is made by $Y$ is
(A) 0.288
(B) 0.334
(C) 0.667
(D) 0.720



Question ID - 157533 | SaraNextGen Top Answer

An automobile plant contracted to buy shock absorbers from two suppliers $X$ and $Y . X$ supplies $60 \%$ and Y supplies $40 \%$ of the shock absorbers. All shock absorbers are subjected to a quality test. The ones that pass the quality test are considered reliable. Of $X$ 's shock absorbers, $96 \%$ are reliable. Of Y's shock absorbers, $72 \%$ are reliable.

The probability that a randomly chosen shock absorber, which is found to be reliable, is made by $Y$ is
(A) 0.288
(B) 0.334
(C) 0.667
(D) 0.720

1 Answer
127 votes
Answer Key / Explanation : (B) -

0.334

127 votes


127