Quantitative Aptitude

In a factory, machine X produces 60% of components with a 2% defect rate, and machine Y produces 40% with a 3% defect rate. If a randomly picked component is found to be defective, what is the probability it was made by machine X?

Options:

• (A) 0.50
• (B) 0.60
• (C) 0.40
• (D) 0.55