1. A continuous random variable X has the following pdf: fx(x) = ) = {¹ - 1² -|x|, |x|<1 elsewhere 0 Find E[X²}

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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1. A continuous random variable X has the following pdf:

2. Let X be a continuous random variable with density function

1. A continuous random variable X has the following pdf:
fx (x) = {¹ -
-|xx|<1
0 elsewhere
Find E[X²}
2. Let X be a continuous random variable with density function f(x) =
for
0 ≤
0≤x≤2
x ≤ 2
0, otherwise
Find E[X-E[X]]]
Transcribed Image Text:1. A continuous random variable X has the following pdf: fx (x) = {¹ - -|xx|<1 0 elsewhere Find E[X²} 2. Let X be a continuous random variable with density function f(x) = for 0 ≤ 0≤x≤2 x ≤ 2 0, otherwise Find E[X-E[X]]]
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