Word Count : 574

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z-तालिका का उपयोग करके क्षेत्रफल ज्ञात करना मानक प्रसामान्य वक्र (Standard Normal Curve) एक बेलनुमा वक्र होता है जिसका माध्य (mean) 0 और मानक विचलन (standard deviation) 1 होता है। z-तालिका हमें यह बताती है कि किसी दिए गए z-मूल्य के बाईं ओर कितने क्षेत्र (प्रायिकता) होते हैं। हम इन मानों की सहायता से दो बिंदुओं के बीच के क्षेत्र या किसी एक बिंदु के दाईं ओर या बाईं ओर के क्षेत्र को भी ज्ञात कर सकते हैं। अब हम प्रत्येक भाग को एक-एक करके हल करते हैं। --- ### 1. z = -0.43 और _____ ___ ________ ________ ____ ___ ______ ___ _________.
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