Brinx said:I'm getting a different answer, you probably made a calculation error in there.
TSN79 said:Are you saying I used correct procedure but made some arithmatic error?
TSN79 said:Thx, I got the answer right now. Don't really know what I did wrong the first time...
The probability that a smoke detector will work when needed depends on a variety of factors, including the quality of the detector, its location in the building, and whether or not it has been properly maintained. Generally, smoke detectors have a high probability of working when needed if they are installed and maintained correctly.
Smoke detectors are designed to detect the presence of smoke, not fires specifically. They are highly accurate in detecting smoke particles in the air, which can indicate a fire. However, other factors such as cooking smoke or steam from a shower can also trigger a smoke detector, resulting in false alarms.
Most smoke detectors come with a manufacturer's guarantee or warranty that they will work for a certain period of time. However, it is important to regularly test and maintain your smoke detectors to ensure they are functioning properly. Even with a guarantee, there is always a small chance that a smoke detector may fail when needed.
Like any electronic device, smoke detectors can become less reliable as they age. It is recommended to replace smoke detectors every 10 years to ensure they are functioning properly. However, regular testing and maintenance can help prolong the lifespan of a smoke detector.
Yes, there are steps that can be taken to improve the probability of a smoke detector working when needed. These include regularly testing the detector, replacing the batteries at least once a year, and keeping the detector clean and free of dust and debris. It is also important to have multiple smoke detectors installed throughout the building to increase the chances of early detection of a fire.