Mathematics · Normal Distribution
एक सतत यादृच्छिक चर (continuous random variable) Y सामान्य रूप से वितरित (normally distributed) है जिसका माध्य (μ) = 122 और मानक विचलन (σ) = 14 है। P(125 < Y < 139) का मान ज्ञात कीजिए। (दिया गया मानक सामान्य संचयी मान: Φ(1.21) ≈ 0.8869 और Φ(0.21) ≈ 0.5832)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.5832
- 20.3037✓
- 30.2145
- 40.8869
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0.3037
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