This preview shows page 1. Sign up to view the full content.
Unformatted text preview: are given (the wall street journal interactive edition subscriber study, 1999) Probability Number of Comps Laptop Desktop 1 2 3 .47 .06 .45 .56 .06 .28 .02 .10 a. What is the expected value of the number of computers per household for each type of computer? b. What is the variance of the number of computers per household for each type of computer? c. Make some comparisons between the number of laptops and the number of desktops owned by the Journals subscribers....
View
Full
Document
This note was uploaded on 01/03/2011 for the course COMM 290 taught by Professor Brian during the Winter '09 term at The University of British Columbia.
 Winter '09
 Brian

Click to edit the document details