Find the expected value of each random variable shown. a) x 0 1 2 P(X=x) 0.2 0.3 0.5 b) x 200 300 400 500 P(X=x) 0.2 0.1 0.1 0.6 a) The expected value is b) The expected value is
Find the expected value of each random variable shown. a) x 0 1 2 P(X=x) 0.2 0.3 0.5 b) x 200 300 400 500 P(X=x) 0.2 0.1 0.1 0.6 a) The expected value is b) The expected value is
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 22E
Related questions
Question
Find the expected value of each random variable shown.
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a)
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x
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0
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1
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2
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P(X=x)
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0.2
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0.3
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0.5
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b)
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x
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200
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300
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400
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500
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P(X=x)
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0.2
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0.1
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0.1
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0.6
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a) The expected value is
b) The expected value is
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