5. A large security-system management company with clients in Los Angeles and San Francisco installs and monitors secu- rity systems in houses and on business premises. The system's alarm sounds at the central monitoring location if the system detects a security break-in, smoke, or fire at any of the clients' premises. Tests have indicated that 3 percent of clients have a false alarm, meaning the alarm sounds when there is no incident, and that in approximately 0.5 percent of actual incidences, the system fails to sound an alarm. The records indicate that about 0.1 percent of clients have break-in/fire/smoke incidents. (a) Suppose a client is selected at random. What is the probability that the alarm will sound at this client's premises? (b) Suppose the alarm is sounded at a client's premises. What is the probability that there is no break-in, smoke, or fire inci- dent?
5. A large security-system management company with clients in Los Angeles and San Francisco installs and monitors secu- rity systems in houses and on business premises. The system's alarm sounds at the central monitoring location if the system detects a security break-in, smoke, or fire at any of the clients' premises. Tests have indicated that 3 percent of clients have a false alarm, meaning the alarm sounds when there is no incident, and that in approximately 0.5 percent of actual incidences, the system fails to sound an alarm. The records indicate that about 0.1 percent of clients have break-in/fire/smoke incidents. (a) Suppose a client is selected at random. What is the probability that the alarm will sound at this client's premises? (b) Suppose the alarm is sounded at a client's premises. What is the probability that there is no break-in, smoke, or fire inci- dent?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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