2. Suppose that X and Y are independent random variables, both with the standard normal distribution i.e. X, Y~ N(0, 1). For pe [-1, 1], define √1-p²X + pY. Show that E[ZY] = pY. Z:=

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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2. Suppose that X and Y are independent random variables, both with the standard
normal distribution i.e. X, Y~ N(0, 1). For pe [-1, 1], define
Z:=√1-p²X + pY.
Show that E[Z|Y] =pY.
Transcribed Image Text:2. Suppose that X and Y are independent random variables, both with the standard normal distribution i.e. X, Y~ N(0, 1). For pe [-1, 1], define Z:=√1-p²X + pY. Show that E[Z|Y] =pY.
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