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In a factory, two machines $\mathrm{M} 1$ and $\mathrm{M} 2$ manufacture $60 \%$ and $40 \%$ of the autocomponents
respectively. Out of the total production, $2 \%$ of $\mathrm{M} 1$ and $3 \%$ of $\mathrm{M} 2$ are found to be defective. If a
randomly drawn autocomponent from the combined lot is found defective, what is the probability
that it was manufactured by $\mathrm{M} 2 ?$
(A) 0.35
(B) 0.45
(C) 0.5
(D) 0.4



Question ID - 156222 | SaraNextGen Top Answer

In a factory, two machines $\mathrm{M} 1$ and $\mathrm{M} 2$ manufacture $60 \%$ and $40 \%$ of the autocomponents
respectively. Out of the total production, $2 \%$ of $\mathrm{M} 1$ and $3 \%$ of $\mathrm{M} 2$ are found to be defective. If a
randomly drawn autocomponent from the combined lot is found defective, what is the probability
that it was manufactured by $\mathrm{M} 2 ?$
(A) 0.35
(B) 0.45
(C) 0.5
(D) 0.4

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

(C) 0.5

127 votes


127