Three machinesE1, E2 and E3 in a certain factory producing electr | Filo
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Class 12

Math

Algebra

Probability

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Three machinesE1, E2 and E3 in a certain factory producing electric bulbs, produce 50%, 25% and 25% respectively, of the total daily output of electric bulbs. It is known that 4% of the bulbs produced by each of machines E1 and E2 are defective and that 5% of those produced by machine E3are defective. If one bulb is picked up at random from a day’sproduction, calculate the probability that it is defective.

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