10. For any real number y, defined y* by y* = (у, if y 2 0 10, if y <0 Let c be a constant a. Show that 1 E[(Z – c)*] =e7- c(1 – #(c)) 2n When Z is a standard normal random variable. b. Find E[(X – c)*] when X is normal with mean u and o?.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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10. For any real number y, defined y+ by
Sy, if y 2 0
y+
10, if y < 0
Let c be a constant
a. Show that
1
E[(Z – c)*] =
e7 – c(1 – ¤(c))
/2n
When Z is a standard normal random variable.
b. Find E[(X –c)*] when X is normal with mean u and o?.
Transcribed Image Text:10. For any real number y, defined y+ by Sy, if y 2 0 y+ 10, if y < 0 Let c be a constant a. Show that 1 E[(Z – c)*] = e7 – c(1 – ¤(c)) /2n When Z is a standard normal random variable. b. Find E[(X –c)*] when X is normal with mean u and o?.
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