Basic Business Statistics, Student Value Edition

14th Edition

ISBN: 9780134685113

Author: Mark L. Berenson, David M. Levine, David F. Stephan, Kathryn Szabat

Publisher: PEARSON

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence. It was invented by German mathematician Carl Friedrich Gauss.

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Chapter 2, Problem 13PS

Planning and preparing for the unexpected, especially in response to a security incident, is one the greatest challenges faced by information technology professionals today. An incident is described as any violation of policy, law or unacceptable act that involves information assets. Incident Response (IR) learns should be evaluating themselves on metrics, such as incident detection or dwell time, to determine how quickly they can detect and respond to incidents in the environment. In 2018, the SANS Institute surveyed organizations about internal response capabilities. The frequency that summarizes the average time organizations took to detect incidents is:

Chapter 2, Problem 13PS, Planning and preparing for the unexpected, especially in response to a security incident, is one the

a. What percentage of organizations took fever then 2 days, on average, to detect incidents?

b. What percentage of organizations took between 2 and 31 days, on average, to detect incidents?

c. What percentage of organizations took 31 or more days, on average, to detect incidents?

d. What conclusions can you reach about dwell time of incidents?

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Chapter 2, Problem 12PS

Chapter 2, Problem 14PS

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Chapter 2 Solutions

Basic Business Statistics, Student Value Edition

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