Published by:
CGP EDU Academic Team
Published on: August 14, 2026
From a lot containing 10 defective and 90 nondefective bulbs, 8 bulbs are selected one by one with replacement. Then the probability of getting at least 7 defective bulbs is :-
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
10 defective & 90 non-defective
Req. probability = (7 def 1 fair) or (8 defective)
Req. probability 
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