Probability Doubts
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A bag contains 11 working bulb and 5 defective bulbs. Find the probability that 4 bulbs are working and 3 bulbs are defective when 7 bulbs are drawn at random.
a) 16/52
b) 11/52
c) 15/52
d) 10/52
e) None of these
Posted : 13/03/2021 8:10 pm
Posted : 21/03/2021 11:46 pm
