Mathematics · Expectation of Independent Variables
यदि X और Y दो यादृच्छिक चर (random variables) हैं, तो समीकरण E(XY) = E(X)E(Y) कब सत्य होता है?
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- 1केवल तब जब X और Y समान सतत चर हों
- 2सभी यादृच्छिक चरों के लिए सदैव सत्य होता है
- 3यदि X और Y स्वतंत्र नहीं (dependent) हैं
- 4यदि X और Y स्वतंत्र (independent) हैं✓
सही उत्तर देखें
यदि X और Y स्वतंत्र (independent) हैं
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