UPSC NDA 2 2016 Mathematics Solved Paper

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Question : 114 of 120

Marks: +1, -0

Three independent events,A1,A2 and A3 occur with probabilities P(Ai)=‌‌

1

1+i

,i=1,2,3that at least one of the three events occurs?

[NDA II 2016]

1/4
2
3
3
4
1
24

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