engineering recuitment FCI JE 2022 Mock Test for CE/ME/EE (Phase I & II) Quantitative Aptitude Probability
In a bulb making factory, machine A, B and C manufacture respectively 30%, 50% and 20% of the total bulbs. Of their output 6%, 9% and 4% respectively are defective bulbs. A bulb is drawn at random from the product. What is the probability that the bulb drawn is defective?
1
0.71
2
0.071
3
0.34
4
0.034
5
0.077