ENGR.ECONOMIC ANALYSIS
ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN: 9780190931919
Author: NEWNAN
Publisher: Oxford University Press
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8. With an American penny, the likelihood of getting H when it is spun on edge
is 0.3. If X is the random variable where X (H) = 1, X(T) = −1, find the
expected value E(X), the variance, Var(X), and express X in its standard form.
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Transcribed Image Text:8. With an American penny, the likelihood of getting H when it is spun on edge is 0.3. If X is the random variable where X (H) = 1, X(T) = −1, find the expected value E(X), the variance, Var(X), and express X in its standard form.
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