एक यादृच्छिक चर X का घनत्व फलन  होता है, जहां - < x < ∞, तब K का मान कितना है?

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ESE Electrical 2017 Official Paper
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  1. π
  2. 1/π
  3. 1/2π

Answer (Detailed Solution Below)

Option 2 : 1/π
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ST 1: UPSC ESE (IES) Civil - Building Materials
20 Qs. 40 Marks 24 Mins

Detailed Solution

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संकल्पना:

यदि f(x) यादृच्छिक चर x के लिए प्रायिकता घनत्व फलन है तब,

गणना:

हमें एक प्रायिकता घनत्व फलन दिया गया है

⇒ K(π) = 1

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