Show that the standard deviation of rZ, where r is any positive number, is equal to r
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Show that the standard deviation of rZ, where r is any positive number, is equal to r times the standard deviation of Z.
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Related Book For 
Theory Of Interest And Life Contingencies With Pension Applications A Problem Solving Approach
ISBN: 978-1566983334
3rd Edition
Authors: Asa Michael M. Parmenter, Ph.d.
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