[8] 6. Let Y1 and Y2 have joint density function J8y1y2 0< yı < y2 < 1 fY, x, (Y1, 42) = otherwise Let U1 = Y1/Y2 and U2 = Y2. (a) Derive the joint density function of (U1, U2). (b) Show that U1 and U2 are independent.

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[8] 6. Let Y and Y2 have joint density function
8y1y2 0<y1
< y2 <1
fr,Y, (Y1, Y2) :
0.
otherwise
Let U1 = Y1/Y, and U2 = Y2.
(a) Derive the joint density function of (U1, U2).
(b) Show that U1 and U2 are independent.
Transcribed Image Text:[8] 6. Let Y and Y2 have joint density function 8y1y2 0<y1 < y2 <1 fr,Y, (Y1, Y2) : 0. otherwise Let U1 = Y1/Y, and U2 = Y2. (a) Derive the joint density function of (U1, U2). (b) Show that U1 and U2 are independent.
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