Mathematics · Probability Distribution

यदि एक असतत यादृच्छिक चर (discrete random variable) x के लिए प्रायिकता फलन f(x) = x + 315 दिया गया है, जहाँ x = 1, 2, और 3 है, तो इस प्रायिकता वितरण के मानों का कुल योग ज्ञात कीजिए।

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