Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 9 (Q.No. 36)
36.
Probability of a lO-year flood to occur at least once in the next 4 years is
Discussion:
6 comments Page 1 of 1.
Chetan said:
8 years ago
1/T=P 1/10=0.1
1-P=q 1-0.1=0.9
q^n - never occurring.
1-q^n Occurring once.
Hence. 1-0.9^4=34.5% = Ans.
1-P=q 1-0.1=0.9
q^n - never occurring.
1-q^n Occurring once.
Hence. 1-0.9^4=34.5% = Ans.
Rakesh said:
9 years ago
Option B is the right answer. How it's 25%?
Jatin Patel said:
6 years ago
The Correct answer is 35%.
Umesh H A said:
7 years ago
Yes, I agree @Chethan.
Amrit Raj said:
8 years ago
@Rakesh.
How B?
How B?
Priyanka said:
5 years ago
B is correct
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