Question

a box of 600 electric bulbs contains 12 defective bulbs one bulb is taken out at random from this box .what is probality that it is a non defective bulf?

Answer 1

hlo mate.....


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Sol: 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 = 588P(Getting a non-defective bulb) = ⇒ Probability 588/600

  Hence, the probability of getting a non-defective bulb = 0.98


hope it helps u ...

brainliest pls

Answer 2

hey mate!!

here is your answer:

total number of outcomes=600
number of favourable outcomes=600-12=588
probability of non defective bulbs=588/600=49/50

hope it helped!!