-generating function is as follows f(x)= 2x-1/16 , x=1,2,3,4 my answer is mean = 25/8, var = 170/16 - (50/16)^2 but solution i
-generating function is as follows f(x)= 2x-1/16 , x=1,2,3,4 my answer is mean = 25/8, var = 170/16 - (50/16)^2 but solution i
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
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Question
Calculate the mean and variance when the probability variable X's moment-generating function is as follows
f(x)= 2x-1/16 , x=1,2,3,4
my answer is mean = 25/8, var = 170/16 - (50/16)^2
but solution is mean = 2, var = 4/5
How do we solve the problem? Help me
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