Question
निम्नलिखित संयुक्त प्रायिकता घनत्व फलन लीजिए : (10)$
क्या दोनों x और y समाश्रयण रैखिक हैं? अपने उत्तर का कारण दीजिए।
Answer :
Word Count : 120
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दिया गया संयुक्त प्रायिकता घनत्व फलन ( f(x,y)=y^{2}e^{-y(x+1)},; x\ge0,; y\ge0 ) है। पहले जाँचते हैं कि यह वैध pdf है या नहीं। [ \int_{0}^{\infty}\int_{0}^{\infty} y^{2}e^{-y(x+1)},dx,dy = \int_{0}^{\infty} y^{2}e^{-y}\left(\int_{0}^{\infty}e^{-yx},dx\right)dy = \int_{0}^{\infty} y^{2}e^{-y}\frac{1}{y},dy
__________ __________ _____ ___ ______ _______.__________ ___ ___ _________ _____ ______ ______ _________ ______.
____ _____ ________ ________ ____ ______ _________ _________.
____ ___ _____ ________ ______ ___ ______ ________ __________ _________ __________.
____ ___ _________ _______ __________ ___ _______ ________ _______.
________ ________ ____ ________ _________.
________ ____ ________ _______ _______ ______ ____ __________ ____ ___ ___.
_______ _______ _________ ____ _______ ___ ____ ___ _________ _____ ____ _________.
______ _______ ________ ___ ___ ______ _________ ______ _______ ____ _____ _____.
_________ _______ _________ ____ _______ _______.
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