Mathematics · Probability and Statistics
यदि Y = 20 + 10X है, जहाँ X एक यादृच्छिक चर (random variable) है, तो प्रसरण Var(Y) किसके बराबर है?
- 120 + 10 × Var(X)
- 2400 + 100 × Var(X)
- 310 × Var(X)
- 4100 × Var(X)✓
सही उत्तर देखें
100 × Var(X)
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