Q. 14.7( 9 Votes )
There are 600 electric bulbs in a box out of which 20 bulbs are defective. If one bulb is chosen at random from the box. What is the probability that the chosen bulb is defective?
Total number of electric bulbs = 600
Number of bulbs which are defective: 20
Number of Non-defective bulbs = 600-20 = 580
Probability P() =
Probability of getting a Non-defective bulbs P(bulbs) =
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