where , & are positive constants. (a) Find the value of a. (b) Consider the transformation X = WP, Y=V_W². Find the joint density of X and Y. Hence show that X and Y are independent exponential random variables. (c) State the distribution of AX + SY.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.CR: Chapter 13 Review
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Answer all three questions in this section
2. Let V and W be two random variables with joint probability density function given
by
fvw (v,w) = aw exp(-dv +(8-A)w²), w>0, v> w²,
where A, & are positive constants.
(a) Find the value of a.
(b) Consider the transformation
X = WP, Y=V_W².
Find the joint density of X and Y. Hence show that X and Y are independent
exponential random variables.
(c) State the distribution of AX + SY.
Transcribed Image Text:Answer all three questions in this section 2. Let V and W be two random variables with joint probability density function given by fvw (v,w) = aw exp(-dv +(8-A)w²), w>0, v> w², where A, & are positive constants. (a) Find the value of a. (b) Consider the transformation X = WP, Y=V_W². Find the joint density of X and Y. Hence show that X and Y are independent exponential random variables. (c) State the distribution of AX + SY.
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