Given fy)-ky, 2s ys 8, and fy)-0 clsewhere. a. Find the value of k for which fly) is a valid density function? b. Find P(1

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter9: Surfaces And Solids
Section9.3: Cylinders And Cones
Problem 23E
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Given fty)=ky, 2sy <8, and fly)=0 clsewhere.
a. Find the value of k for which fy) is a valid density function?
b. Find P(1<Y<3)?
c. Find F(y)?
d. Plot F(y) and fy)?
e. Calculate Mean and Variance?
Transcribed Image Text:Given fty)=ky, 2sy <8, and fly)=0 clsewhere. a. Find the value of k for which fy) is a valid density function? b. Find P(1<Y<3)? c. Find F(y)? d. Plot F(y) and fy)? e. Calculate Mean and Variance?
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