1% of the computers at UMD have been compromised by a cyberattack. DiT has an intrusion detection system (IDS) that raises an alert 97% of the time if a computer is compromised, and does not raise an alert 95% of the time if a computer is not compromised. a. What is the probability that the IDS raises an alert?
b. What is the probability that the computer has not been compromised when the IDS raises an alert?

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

The table shows the results of three plays in a football game. what is the net result of the three plays? football game 1st play 5 yards 2nd play -9 yards 3rd play 12 yards

Asinusoidal function whose frequency is 1/6pi