Question
Download Solution PDFएक यादृच्छिक चर का अपेक्षित मान ज्ञात कीजिए जिसमें निम्नलिखित प्रायिकता वितरण है?
| X: | 2 | 4 | 6 | 8 | 10 |
| P: | 0.1 | 0.3 | 0.4 | 0.1 | 0.1 |
Answer (Detailed Solution Below)
Detailed Solution
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हम जानते हैं यादृच्छिक चर का अपेक्षित मान
f(x) = ∑xipi
जहाँ I = 1, 2, 3,-----n है
f(x) = P1x1 + P2x2 + P3x3 + P4x4 + P5x5
⇒ f(x) = 0.1 × 2 + 0.3 × 4 + 0.4 × 6 + 0.1 × 8 + 0.1 × 10
⇒ 0.2 + 1.2 + 2.4 + 0.8 + 1
∴ f(x) = 5.6
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