A box of 600 electric bulbs contains 12 defective bulbs. One bulb is taken out at random from this box. What is the probability that it is a non-defective bulb?
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2
Answer:
the probability is 0.98
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Answered by
3
Answer:
Out of 600 electric bulbs one bulb can be chosen in 600 ways
⇒Total number of outcomes = 600
Number of non-defective bulbs = 600 -12
= 588
⇒ Number of favourable outcomes = 588
P(Getting a non-defective bulb) = No. of favourable outcomes÷Total no. of outcomes
⇒ Probability = 588/600
Hence, the probability of getting a non-defective bulb = 0.98
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