(d) Е(2X- 4). (е) Е(6X+ 3)2 + Var(7X — 24).
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
Transcribed Image Text:The random variable X has probability distribution given in the Table 2
below.
-1
P(X=x)
Table 2: The probability distribution
1 2
0.2
3
0.15 0.15
Given that E(X)30.55,find:
Transcribed Image Text:(d)
E(2X - 4).
(e)
E(6X+ 3)? +Var(7X – 24).
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