Question
LetX1, X2,X3be independentnormal random variables which all havemean 12.8 and standard deviation 0.8. 1 Find the standard deviation ofX1 + 3X2 2X3 . 2 Find
LetX1, X2,X3be independentnormal random variables which all havemean 12.8 and standard deviation 0.8.
1 Find the standard deviation ofX1 + 3X2 2X3 .
2 Find the standard deviation ofX1 + 3X2 2X3 .
3 FindP(X1 > 13.28)
4 FindP(X1 > 13.28| X1 > 12.32)
5 FindP(X1 > 13.28 | X2 > 12.32)
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International Marketing And Export Management
Authors: Gerald Albaum , Alexander Josiassen , Edwin Duerr
8th Edition
1292016922, 978-1292016924
