ProbabilityConditional Probability (ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern)): Questions 5  5 of 5
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Question number: 5
» Probability » Conditional Probability
MCQ▾
Question
Suppose that five good bulbs and two defective ones have been mixed up. To find the defective bulbs, we test them onebyone, at random and without replacement. What is the probability that we are lucky and find both of the defective fuses in the first two tests?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 
