Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN: 9781133382119
Author: Swokowski
Publisher: Cengage
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Transcribed Image Text:The discrete random variable X has probability distribution given by
X 1 2 3
P
0.7 2k k
(1) Find the value of k.
(2) Find E(X),Var (X) and the standard deviation of X.
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