A smoke detector system in a large warehouse uses two devices A and B. If smoke is present the probability that it will be detected by device A is 0.95.The probability that it will be detected by device B is 0.98. and the probability that it will be detected by both devices simultaneously is 0.94.
(a) If smoke is present, what is the probability that it will be detected by device A or device B or both devices.
(b)What is probability that the smoke will not be detected.
(c) Write the results used
(d) It is more likely that smoke will be detected. What is your advice for controlling pollution?
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(a)If smoke is present, find the probability that the smoke will be detected by either device A or B or both devices is 0.97
(b) The probability that the smoke will not be detected is 0.99
(d)
- Reduce the number of trips you take in your car.
- Reduce or eliminate fireplace and wood stove use.
- Avoid burning leaves, trash, and other materials.
- Avoid using gas-powered lawn and garden equipment.
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