Suppose X and F have joint density fX,Y(x,y) = 2sech2(l/:r)/y3 for 0 < x < y, and
Question:
fX,Y(x,y) = 2sech2(l/:r)/y3
for 0 < x < y,
and fX,Y(x,y) = 0 otherwise.
a. Show that fX,Y(x,y) is a joint density, i.e., the integral over all x's and y's is 1.
b. Are X and Y independent?
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a So this is a dens...View the full answer
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Related Book For 
Introduction to Probability
ISBN: 978-0716771098
1st edition
Authors: Mark Daniel Ward, Ellen Gundlach
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