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Question 10 3 pts In a city of 1 million inhabitants let there be 100 terrorists and 999,900 non-terrorists. To simplify the example, it
Question 10 3 pts In a city of 1 million inhabitants let there be 100 terrorists and 999,900 non-terrorists. To simplify the example, it is assumed that all people present in the city are inhabitants. In an attempt to catch the terrorists, the city installs an alarm system with a surveillance camera and automatic facial recognition software. The software has two failure rates: The false negative rate of 1%: If the camera scans a terrorist, a bell will ring 99% of the time, and it will fail to ring 1% of the time. The false positive rate of 2%: If the camera scans a non-terrorist, a bell will not ring 98% of the time, but it will ring 2% of the time. Suppose now that an inhabitant triggers the alarm. What is the probability that the person is NOT actually a terrorist? 99.5% 99.0% 1.5% 01.0%
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