Question
Download Solution PDFअगले 5 वर्षों में कम से कम एक बार 10-वर्ष की बाढ़ की प्रायिकता क्या है?
This question was previously asked in
ESE Civil 2015 Paper 2: Official Paper
Answer (Detailed Solution Below)
Option 2 : 40%
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ST 1: UPSC ESE (IES) Civil - Building Materials
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Detailed Solution
Download Solution PDFसंकल्पना:
वार्षिक अधिकतम बाढ़ परिमाण के प्राप्त होने की संभावना = \(\frac{1}{{Return\;period\;}} \)
गणना:
\(\begin{array}{l} p = \frac{1}{T} = 0.1\\ q = 1 - p = 0.9 \end{array}\)
अगले 5 सालों में कम से कम एक बार बाढ़ आने की संभावना
= 1 – अगले 5 सालों में कोई बाढ नहीं
= 1 – q5
= 1 – (0.9)5 = 0.40
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