1 answer

In one factory, the light bulb is produced by three machines. The first machine produces 20%...

Question:

In one factory, the light bulb is produced by three machines. The first machine produces 20% of the total production of the factory. The second machine produces 30% of the total production of the factory. The third machine produces 50% of the total production of the factory. The percentage of damaged production of the first machine is 1% and the percentage of damaged production of the second machine is 4% and the percentage of damaged production of the third machine is 7%

If the lamp is chosen randomly from the production of this factory

? What is the probability that the lamp is damaged  

0.046

0.002

0.012

0.035

1 درجات   


Answers

9 ut A. B &c denote the event that the lamp is producted by ist, 2nd & 3rd machine respectively. If D: Lamp is defective. Giv

.

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