Maurice Tutor

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About Maurice Tutor

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Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 408 Weeks Ago, 2 Days Ago
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 15 Oct 2017 My Price 4.00

probability of a face

A die is loaded so that the probability of a face coming up is proportional to the number on that face. The die is rolled with outcome X. Find V (X) and

D(X).

Prove the following facts about the standard deviation.

(a) D(X + c)=D(X).

(b) D(cX)=|c|D(X).

 

Let X be a random variable with µ = E(X) and s2 = V (X). Define X* = (X-µ)/s. The random variable X* is called the standardized random variable associated with X. Show that this standardized random variable has expected value 0 and variance 1.

Answers

Maurice Tutor
(5)
Status NEW Posted 15 Oct 2017 11:10 AM My Price 4.00

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