Recall that 351 organizations responded on unauthorized use of computer systems. One of the survey questions asked respondents to indicate the percentage of monetary losses attributable to malicious actions by individuals within the organization (i.e., malicious insider actions). The following XLSTAT histogram summarizes the data for the 144 firms who experienced some monetary loss due to malicious insider actions.
For Information: Refer to the 2010 CSI Computer Crime and Security Survey, Exercise 1.22.

a. Which measurement class contains the highest proportion of respondents?
b. What is the approximate proportion of the 144 organizations that reported a percentage monetary loss from malicious insider actions less than 20%?
c. What is the approximate proportion of the 144 organizations that reported a percentage monetary loss from malicious insider actions greater than 60%?
d. About how many of the 144 organizations reported a percentage monetary loss from malicious insider actions between 20% and 30%?

Transcribed Image Text:

03 0.2 anar 0.15 0.1 0.05 Monetary Loss (%)